How did the federal government change after the Civil War?

After the Civil War with the victory of the Union, it made the federal government stronger. It was possible to pass the Fourteenth Amendment which limits states power and protects the rights of citizens. With this, the federal government took a central place in the defense of individual rights.

Explanation:

the answer would be:

b. race

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.