The impending shifts in the American political landscape are drawing global attention. Particularly, the potential political comeback of former President Donald Trump has sparked widespread discussion and debate within the international community. At the core of this discussion are the conflicting forecasts and concerns regarding how his unique political style might impact the global economy, security, and alliance relationships. As a nation maintaining a close alliance with the United States, South Korea is inevitably subject to significant direct and indirect impacts from changes in U.S. politics. Major foreign media outlets are offering contrasting analyses on the scenario of Trump's return to power. The Guardian, a progressive British daily, recently published an opinion piece titled 'Trump's Return: A Crisis for Democracy and the International Order?' The column presented a critical view, suggesting that a second Trump presidency would lead to weakened alliances, the collapse of international cooperation frameworks, and intensified nationalism, posing a severe threat to global democracy and security. The Guardian's columnist pointed out that Trump's 'deglobalization' tendency would be a major factor in undermining existing international cooperation systems, warning that multilateralism would face significant challenges in the face of Trump's America-first approach. Conversely, The Economist offered a more pragmatic and opportunistic analysis in an editorial titled 'Trump 2.0: Seeking New Opportunities Amid Unpredictability.' While acknowledging the market volatility that a second Trump term would bring, the publication suggested that it could, paradoxically, break the rigidity of traditional foreign policy and create new economic opportunities. The Economist's analysts argued that Trump's unpredictable negotiation style, while increasing short-term uncertainty, could also, in the long run, improve the inefficiencies of the existing international order and foster new models of economic cooperation. Amidst these conflicting forecasts, what preparations should South Korea make? First, it is necessary to examine the concerns raised by The Guardian. During his previous term, Trump withdrew from the Paris Agreement, significantly reducing the U.S.'s role in international cooperation frameworks. This presented new diplomatic dilemmas for allies, including South Korea, and heightened potential risks to the trade order and environmental security. The Guardian's column predicts that this trend would intensify if Trump returns to power, advising allies to independently maintain and strengthen multilateral cooperation systems. One of the most controversial aspects of Trump's foreign policy is the issue of defense cost-sharing with allies. During his first term, he adopted a tough stance, demanding greater defense contributions from South Korea, Japan, and NATO members, a stance likely to continue if he is re-elected. Particularly concerning the ROK-U.S. defense cost negotiations, South Korea needs to prepare sufficient strategic countermeasures. In the defense cost negotiations conducted from 2018 to 2020, South Korea experienced considerable pressure, with the Trump administration demanding a nearly fivefold increase in South Korea's defense contributions. International security experts analyze that such demands are highly likely to resurface if Trump returns to office. However, The Economist's perspective should not be overlooked. The publication analyzes that Trump's 'transactional diplomacy' could, in fact, provide South Korea with new negotiation opportunities. While traditional U.S. diplomacy emphasized ideology and principles, Trump prefers an approach that prioritizes practical interests and results. This implies that South Korea could have room to negotiate, proposing other forms of strategic contributions instead of merely increasing defense cost-sharing. For example, analyses suggest that South Korea's advanced technological cooperation, an expanded role in the Indo-Pacific strategy, and strengthened partnerships in global supply chain restructuring could be utilized as bargaining chips. On the economic front, there are also conflicting forecasts. The Guardian expresses concern that Trump's protectionism would cause severe disruption to global supply chains. During his first term, Trump imposed tariffs of up to 25% on Chinese imports and additional tariffs on steel and aluminum. Such 'tariff bomb' policies severely impacted manufacturing-centric countries. South Korea's automobile, semiconductor, and battery industries are identified as some of the most vulnerable sectors amidst these policy changes. As of 2018, automobile-related products accounted for approximately 23% of South Korea's exports to the U.S., and semiconductors accounted for over 20%. Imposing additional tariffs on these industries could directly hit the South Korean economy. **At the Crossroads of Korea's Economy and Diplomacy in a Seco
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