Please hurry. This is needed before history is over The protection of roads in the Roman Empire allowed the spread of what?

A: ideas
B: Trade
C: Populations
D: All of the above

Christianity

These two groups made up most of the new converts to Christianity. Roman roads and the Pax Romana helped to spread Christianity.

C: Populations

HOPE THIS HELPS

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.

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.