Group 1 - The article discusses the flexibility of the American political system, highlighting three major reforms in the 20th century that helped the U.S. rise as a global superpower [1][2] - The first reform occurred from 1909 to 1916, preparing the U.S. for World War I, with significant changes in fiscal and monetary policies [2][3] - The second reform from 1944 to 1953 laid the groundwork for the Cold War, further solidifying the U.S. capital's global dominance [2] - The third reform from 1981 to 1988 helped the U.S. overcome global economic stagnation, reinforcing its international hegemony [2] Group 2 - The first reform established a modern tax system, introducing corporate and personal income taxes to support war funding, as previous tax revenues were insufficient [3][4] - The establishment of the Federal Reserve addressed the lack of a unified currency issuance system, alleviating the government's financial pressures during wartime [6][7] - The reforms also included institutionalizing war expenditures and allowing labor unions to form, which stimulated industrial growth and increased wages [7][9] Group 3 - Post-World War I, many reforms became outdated, leading to the repeal of regulatory policies and the abandonment of the gold standard, which contributed to the Great Depression [9] - The historical context of these reforms provides insights into current economic challenges, suggesting the potential need for new institutions to address crises, similar to the establishment of the Federal Reserve [9]