How did the Columbian Exchange affect Europeans? They stopped buying luxury items.
They began to colonize more territories.
They adopted indigenous American practices.
They experienced a decline in population.

The correct answer is B

Explanation:

Because I said so

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.