PLEASE HELP ME ASSAP PLEASEEE: Why did the passage of the 15th amendment require the Pennsylvania Constitution of 1838 to be changed? A
All men were allowed to vote.

B
All women were allowed to vote.

C
All poll taxes were illegal.

D
All slaves were freed.

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.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.