Answer/Explanation:
The Louisiana purchase was something that gave the US what made up 15 of the states. It was a large part of France territory and is considered one of Thomas Jefferson’s most important acheivements. The impacts it had on the nations was that it made the nation bigger and better. These events are crucial in covering History because it tells part of what made A piece of America. If the Louisiana purchase was never mentioned in History then 15 of the US states would just be here and we wouldn't even know how they came into existance.