URGENT! GIVING BRAINLIEST AND 18 POINTS. How did Constantine promote the expansion of Christianity? (A) He required Roman citizens to convert to Christianity. (B) He named the Roman capital to honor the Christian God. (C) He built Christian churches throughout the Roman Empire. (D) He made Christianity the official religion of the Roman Empire.

He built Christian churches throughout the Roman Empire.

Explanation:He built Christian churches throughout the Roman Empire.  in the edg notes

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.

i believe the answer is d.