Final Answer:
The Nye Committee investigated U.S. involvement in World War I, highlighting profiteering by arms manufacturers. The Potsdam Conference, held in 1945, involved Truman, Stalin, and Churchill, addressing post-World War II issues, including the division of Germany.
Step-by-step explanation:
The Nye Committee, officially known as the Special Committee on Investigation of the Munitions Industry, was formed in the 1930s to investigate U.S. entry into World War I. It revealed concerns about the influence of arms manufacturers and profiteering, influencing subsequent U.S. foreign policy.
The Potsdam Conference, held in 1945, included leaders Truman, Stalin, and Churchill. It addressed post-World War II issues, including the division of Germany and decisions regarding the Japanese surrender. The conference set the stage for the post-war order and Cold War dynamics.