In May 1917 President Woodrow Wilson and Secretary of War Newton Baker chose Pershing to command the American Expeditionary Force going to Europe in support of the Allies. Arriving in France during June, Pershing immediately began planning the organization and employment of a large American army.
The attack on Pearl Harbor I believe
Yamamoto’s primary objective at Pearl Harbor was demolish as much of the American fleet as possible, since the Japanese thought that the US getting involved in World War II was inevitable and wanted to strike first.
Answer:
The “push” factors for the exodus were poor economic conditions in the South—exacerbated by the limitations of sharecropping, farm failures, and crop damage from the boll weevil—as well as ongoing racial oppression in the form of Jim Crow laws.