East Africa’s is the most tectonically active region of Africa. This is where most of the mountains, volcanoes, and lakes are found in Africa. Drakensburg Escarpment
Great Rift Valley
Sahel

The East African Rift (EAR) or East African Rift System (EARS) is an active continental rift zone in East Africa. The EAR began developing around the onset of the ...

Explanation:

i also think he is correct. i believe they came to washington to protest their rights.

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.