Which of the following is one of the important contributions to the development of Christianity made by the apostle Paul? A. He founded the first Christian church in Southwest Asia.
B. He became the leader of the 12 apostles after the crucifixion of Jesus.
C. He preached Christian beliefs to non-Jews.
D. He convinced Emperor Constantine to convert to Christianity.

C

Explanation:

I'm not too sure about this, but going by process of elimination it's A.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.