D. Poverty
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Three weeks after the March on Washington the KKK bombed an African American church. This was unreasonable and unprovoked. This event showed that change was needed in America.
The Berlin Wall literally divided the East and the West of Germany, while the West side of Germany adopted Capitalism, the East side was ruled by Socialism. The Berlin Wall was heavily secured so people could not move from one side to the other and during the Cold War, it also was a sign of the silent conflict between the United States (West Side) and the Soviet Union (East Side).
The correct answer is an extension of the Missouri compromise.
. Polk favored the idea of extending the Missouri Compromise which would have excluded slavery from present-day Washington, Oregon, Utah, Idaho, Nevada, and the northern half of California while allowing it in what is now New Mexico, Arizona, and southern California.