Answer:
1958
Explanation:
Originally known as the Advanced Research Projects Agency (ARPA), the agency was created in February 7, 1958 by President Dwight D. Eisenhower in response to the Soviet launching of Sputnik 1 in 1957.
The assassination of Archeduke Franz Ferdinand of Austria and misunderstanding in diplomatic communications.
The answer Military Historian.
The Battles of Lexington and Concord were the first military engagements of the American Revolutionary War.
