D is the answer ( for cutting off our trade with parts of the world )
Major Rafael Chacon, 1st New Mexico Cavalry.
Colonel Francisco Abreu, 1st New Mexico Cavalry.
Santiago Martin, 1st New Mexico Cavalry.
https://www.nps.gov/foun/learn/historyculture/new-mexico-volunteers.htm
Federalist 47. Opponents of the Constitution, known as Anti-Federalists, observed that the separation of powers as proposed did not offer enough separation between the branches of government.
The answer is A. Developed extensive trade networks
Romans were able to battle at Sea which helped them to expand their nation. Not all nations had ships and not all nations could fight on water and land. The romans had that advantage.