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.
It is the second one.
Caesar became politically corrupt, which led Brutus to kill him.
It could be any of those but the best answer is the second one.
The Open Door Notes - sent by U.S. Secretary of State John Hay in 1899 to open up Chinese ports to American merchants. European powers had "spheres of influence" in different port cities throughout China, and the United States wanted access to China's markets.