Lewis and Clark traveled up the Mississippi River that compromises the Louisiana Purchase to reach the Bitterroot Mountains.
The answer to this question is B. Pogrom is a mob violence aimed at a particular group, often ethnic or religious.
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The Reichstag Fire was a dramatic arson attack occurring on February 27, 1933, which burned the building that housed the Reichstag (German parliament) in Berlin. Claiming the fire was part of a Communist attempt to overthrow the government, the newly named Reich Chancellor Adolf Hitler used the fire as an excuse to seize absolute power in Germany, paving the way for the rise of his Nazi regime.