What was known as "The War Department" had a period of existence from August 7, 1789, in its early origins, it was also named the "War Office" during the revolution; and it was located in Philadelphia, and then moved to Washington D.C. in the early 1800s.
It was led by "The Secretary of War" who was member of the United States President's Cabinet, starting with George Washington's administration, until September 18, 1947. At this point, it got divided into Department of the Army and Department of the Air Force coming together to the Department of the Navy conforming the new "National Military Establishment" (NME), and in 1949 was renamed "the United States Department of Defense".
The significant land development that President Jefferson made was the Louisiana Purchase. The correct option among all the options given in the question is the third or the second last option. The Louisiana Purchase was created in the year 1803 by President Jefferson. It was an agreement between the United States of America and France
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Answer:
The purpose of Martin Luther King's "I Have a Dream" Speech is to expose the American public to the injustice of racial inequality and to persuade them to stop discriminating on the basis of race