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Answer:
Corruption in the Catholic Church encouraged the idea for reform. The sale of indulgences.
Soldiers also made dugouts and funk holes in the side of the trenches to give them some protection from the weather and enemy fire. The front-line trenches were also protected by barbed-wire entanglements and machine-gun posts. Short trenches called saps were dug from the front-trench into No-Man's Land.
Answer: The level of government in which I think should be in charge of security is going to have to be federal. Because the federal government deals with the nation’s affairs and laws. Security from foreign enemies is a national concern meaning that the federal government should take care of the nation’s defense. Which they do of course. The Department of Defense is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.
Answer:
The global military, political, and psychological struggle against terrorists and regimes that support them. Citizens viewed terrorism as national emergency, and united together.
They've been confused of Ethnic backgrounds, race, and religion. Since, Global military have had the objective of trying to eliminate international terrorism.
Terrorism has led to the sharing of information between federal law enforcement agencies and intelligence devices. They've since been investigating suspected terrorists of fear of violation of the 4th Amendment of search and seizure.
As politically, the U.S tended to promote isolationism through the 19th century.