Now that Rome is no longer a Republic, (a government where people elect their leaders), and is now an Empire (a large group of territories and people who are ruled by a single leader or nation).

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

i believe it is capitalists.  

the government closely monitored its finances to avoid another financial collapse.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation: