Explain the role of colonialism in spreading Christianity around the world​

It was seen almost as the "white mans burden" to civilize those seen as uncivilized and a big part of that was converting them to Christianity.

Explanation:

In some areas, almost all of the colony's population were removed from their traditional belief systems and were turned into the Christian faith, which the colonizers used as a reason to destroy other faiths, enslave the natives, and exploit the lands and seas.

Explanation:

the roman army grew in size and became dominant in the mediterranean region.

i think the answer is b.