It was trench warfare that was used to a great extent in World War I. This led to a significant elongation of the conflict, since targeting soldiers was much harder.
Holocaust was the persecution and extermination of Jews by Nazis, in the death camps and elsewhere. Another word for it is "Shoah".- the correct answer is d. <span />
Conference committees operate after the House and the Senate have passed different versions of a bill. Conference committees exist to draft a compromise bill that both houses can accept. Both houses of Congress must eventually pass identical legislation for the bill to be presented to the President.
