What we're the effects of the Louisiana purchase on the United States?

It tripled the size of the united states.

Explanation:

Buying the land from the french helped us and them. They needed the money and we would gain a lot of land.

the louisiana purchase of the 1803 brought in the United States about 828,000 square miles!

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.

b) race riots in several cities