The correct answer is C.
After constant fighting with Japan, Truman was left with the option of the atomic bomb. This is what caused the war to end. Many debates went into whether or not the atomic bomb should be used and it ended up being the course of action that was taken.
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Answer:
The type of fear is xenophobia
Explanation:
Switzerland, norway, and iceland
Many Americans supported isolationism because the rise of dictatorships and militarism in Europe made their sacrifices during World War I seem pointless.
The main way in which the purchase of the Louisiana Territory and western expansion contributed to increased sectionalism in the United States is that each new potential state that was to be entered into the Union had to determine whether it was going to be "slave" or "free"--meaning that it further divided the North and South over the issue of slavery, and eventually led to the Civil War.