Power, national interest, sovereignty and legitimacy — the toolkit

Power: the master concept, and why VCAA wants you to split it four ways

Power is the capacity of an actor — a state, IGO, NGO, TNC or armed group — to influence or control the behaviour of another actor, either by getting them to do something they otherwise would not, or by shaping the environment so that alternatives are never even considered. VCAA's study design explicitly requires you to distinguish four forms: hard, soft, sharp and smart power. Treat this as a toolkit, not a glossary — every case study should identify precisely which form of power is in play, because "China used power" scores far lower than "China used hard economic power through unofficial trade sanctions."

• Hard power is coercive: military force, economic sanctions, tariffs or the credible threat of these, designed to change behaviour through cost or fear rather than persuasion. The clearest contemporary example is Russia's full-scale invasion of Ukraine, launched 24 February 2022 — tanks, missiles and territorial seizure (Crimea 2014, then Donetsk, Luhansk, Zaporizhzhia and Kherson annexed in September 2022) is textbook hard power. A second, non-military example directly relevant to Australia: in 2020, China imposed 80.5% tariffs on Australian barley and effectively banned Australian wine, coal, timber, lobster and cotton, coercive economic punishment for Australia's call for a COVID-19 origins inquiry and its 5G Huawei ban — hard power without a single shot fired.
• Soft power, a term coined by Joseph Nye, is the ability to attract and co-opt rather than coerce — getting others to want what you want through culture, values, institutions and diplomacy. South Korea's Hallyu (Korean Wave) is a standout current example: Netflix's Squid Game (2021, most-watched Netflix show ever at launch), BTS and BLACKPINK's global fanbases, and Korean skincare/cinema (Parasite won Best Picture at the 2020 Oscars) have measurably lifted South Korea's global favourability and export demand for Korean consumer goods — soft power converting into economic and diplomatic capital. The EU's pull on Ukraine, Moldova and the Western Balkans to pursue accession (Ukraine and Moldova granted EU candidate status June 2022) is a second strong example — states voluntarily reorienting their laws and institutions to be more like the EU because of what it offers.
• Sharp power, a term popularised by the National Endowment for Democracy in 2017, is the use of manipulative, often covert information and influence operations to distort another country's political environment — it "pierces" rather than attracts. The Chinese state-linked "Spamouflage" (also called "Dragonbridge") disinformation network, documented repeatedly by Meta, Google and the Australian Strategic Policy Institute through 2023–24, runs thousands of fake social media accounts to amplify pro-Beijing narratives and attack critics. Russia's interference campaign around Moldova's October 2024 EU-accession referendum and presidential election — alleged vote-buying and disinformation networks reported by Moldovan authorities and the EU — is another dated, verifiable example of sharp power targeting a democratic process.
• Smart power is the deliberate, calibrated combination of hard and soft (sometimes sharp) tools to maximise a state's influence. The clearest current example is the US Indo-Pacific Strategy: hard power through AUKUS (announced September 2021, nuclear-powered submarines) and expanded basing/troop rotations in the Philippines (2023 EDCA site expansion), combined with soft power through the Quad's vaccine and infrastructure initiatives, USAID development funding, and Fulbright/exchange diplomacy. No single tool would achieve Washington's regional goals alone — the combination is the strategy.

Exam tip: cognitive verbs like analyse or evaluate reward you for naming the specific form of power AND explaining why the actor chose that form given its goals, resources and the target's vulnerabilities.

National interest: the justification behind every state action

National interest is what a state's government defines as necessary to protect and advance its security, economic prosperity, values, and international standing — the study design's own four components, and the exact four you should use when unpacking Australia's national interest in AoS2. Crucially, national interest is not objective or fixed: it is constructed by political leaders and can be contested domestically, which is itself examinable.

Almost every foreign-policy action a state takes is publicly justified as being "in the national interest," which makes the phrase a rhetorical device as much as an analytical category — good students interrogate whose interest is really being served.

• Security: Australia's AUKUS agreement (announced 16 September 2021 with the UK and US) — acquisition of at least eight nuclear-powered (not nuclear-armed) submarines, with the first Virginia-class transfer expected in the early 2030s and a UK-designed SSN-AUKUS boat from the late 2030s/2040s — was justified almost entirely in national-interest security terms: deterring possible Chinese coercion and protecting sea lines of communication.
• Economic prosperity: China's Belt and Road Initiative (BRI), launched by Xi Jinping in 2013 and still expanding (over 150 countries signed on by 2023, per the AIIB and China's own Belt and Road Portal), is justified by Beijing as serving China's economic national interest — securing export markets, resource-supply routes and construction contracts for Chinese state-owned enterprises — while critics (the US, India, and some recipient states like Sri Lanka after the 2017 Hambantota port debt-equity swap) argue it also serves strategic/security interests under an economic cover.
• Values: The US's continued military and financial support for Israel, and separately its backing of Ukraine (over US$175 billion in aid approved by Congress since February 2022, per the Kiel Institute's Ukraine Support Tracker), is framed in Washington as defending the value of "democracy against authoritarian aggression," even where it also serves harder security and economic interests — illustrating how the four components of national interest overlap and get invoked selectively.
• International standing: Australia's pursuit of a non-permanent UN Security Council seat (successfully won for 2013–14 previously) and its vocal role in the Pacific Islands Forum, including the Australia–Tuvalu Falepili Union treaty (signed November 2023, entered into force August 2024) — offering Tuvaluans a climate-linked migration pathway in exchange for a security veto over Tuvalu's other partnerships — was explicitly justified by Canberra as protecting its international standing and influence in the Pacific against Chinese inroads (e.g. China–Solomon Islands security pact, April 2022).

When you argue with national interest, always specify which component (security/economic/values/standing) is dominant, and note where components conflict — e.g. Australia's economic interest in trade with China regularly sits in tension with its security interest in balancing against China, which is precisely why AoS2 case studies reward nuance over a single-word answer.