Group 1 - The article discusses the unilateral increase of tariffs by the United States, which violates World Trade Organization (WTO) obligations and undermines the multilateral international trade system [1] - The U.S. imposition of differential tariffs on other WTO members contravenes the Most-Favored-Nation principle, which mandates equal treatment among member countries unless exempted by the WTO [1] - Since the announcement of tariff increases, there has been a significant rise in public interest, with a 1650% increase in Google searches for the term "tariff," indicating a heightened awareness of the implications of U.S. tariff policies on individuals, businesses, and the economy [1] Group 2 - Tariffs are taxes levied on imported goods, intended to protect domestic industries from foreign competition and increase government revenue [2] - Economists argue that excessive tariffs can have counterproductive effects, suppressing consumption, raising local prices, and exacerbating inflation [2] - The burden of tariffs ultimately falls on consumers and businesses, particularly impacting low-income consumers and potentially leading to trade wars [2] - Tariffs hinder global trade flow, resulting in fragmentation of international trade, which is expected to have adverse effects on the global economy and individual national economies over the next three years [2]