What was the effect of Emperor Constantine’s religious conversion?
A.
Rome became the center of Christianity in the world.
B.
Christianity became the second religion of the Empire.
C.
Crucifixion was administered only for political reasons.
D.
Slavery was abolished in the Roman Empire.

Rome became the center of Christianity in the world.

Explanation:

I looked it up.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.