3. Explain three details on the early formation of the United States.

The answer is below

Explanation:

The three details in the early formation of the United States of America can be summarized into the following events:

1. American Revolutionary War: this occurred between 1775 to 1783. The eventual outcome led to the independence of the American colonies from Great Britain.

2. Constitutional Convention: this occurred between May 1787 to September of the same year. It led to the eventual ratification of the US Constitution. Thereby the US moved away from her initial use of the Articles of Confederation.

3. Louisiana Purchase: this occurred in 1803 under President Thomas Jefferson. Here the United States became more than double in terms of landmass after buying more than 500 million acres of land.

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the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."