Answer:
1914
Explanation:
You can easily look up the dates of such events.
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D - the US Policy that guaranteed aid to any nation threatened by communism.
The Truman Doctrin was announced to congress in 1947 and fully developed on July 12, 1948.
Answer:
The cession of Louisiana was kept secret for over a year. France feared that Louisiana would become British. As a result, France sought to preempt any actions that Britain would undertake if it became known that Louisiana no longer enjoyed French protection before the Spanish were able to occupy and defend it
Explanation: