The Treaty of Versailles officially ended WWI and imposed severe economic, social, and military penalties on Germany to prevent future conflicts, making it the correct answer.

True. The United States did not join the League of Nations, primarily due to opposition in Congress and concerns about entangling alliances.

The immediate cause of WWII was the Invasion of Poland by Germany on September 1, 1939. This act prompted Britain and France to declare war on Germany, marking the official start of the conflict.

The U.S. foreign policy of avoiding involvement in foreign affairs during the early years of World War II is known as Isolationism. This approach emphasized neutrality and non-intervention, distinguishing it from Internationalism.

The Pact of Appeasement is not a U.S. foreign policy during WWII; it refers to European strategies to avoid conflict with Hitler. In contrast, Cash and Carry, Destroyers for Bases, and the Lend Lease Act were key U.S. policies.

The Attack on Pearl Harbor marked the end of U.S. isolationism, leading to a declaration of war on Japan and joining the Allied Powers. Therefore, the U.S. did not continue its policy of isolationism.

The Invasion of Poland (1939) marked the start of World War II but is not considered a turning point. In contrast, the Battle of Normandy, Stalingrad, and Midway were crucial battles that significantly shifted the war's momentum.

The Supreme Court case that challenged Executive Order 9066, which authorized the internment of Japanese Americans during World War II, is Korematsu Vs. The U.S. This case questioned the constitutionality of the order.

The U.S. employed the Island Hopping strategy during World War II to capture key islands in the Pacific, allowing them to move closer to Japan's mainland while bypassing heavily fortified positions.

The correct answer is Rosie the Riveter, a cultural icon representing women who worked in factories during World War II. Josie the Riveter is a common misnomer, while Ida Tarbell was a journalist, not related to this context.