Which development helped strengthen Christianity in Ethiopia?

A.
the fall of Kush

B.
the rise of the Zagwe dynasty

C.
the growth of Swahili culture

D.
the rise of Greek city-states in East Africa

B. the rise of the Zagwe dynasty

The correct answer is B. the rise of the Zagwe dynasty. The Zagwe dynasty, which lasted from the 10th to the 13th century, played a significant role in the strengthening of Christianity in Ethiopia. During this period, Christianity became the state religion, and several important churches and monasteries were built. The dynasty's patronage of Christianity helped to solidify its influence and spread throughout the region.