Barriers to trade in ancient Rome (what made it hard to trade) I need 3 short answers for my project. Please help, I need the answer for my project

It can provide a social code to protect each citizen's future economical earnings. and then obviously defending the country from invading countries.

The president of the united states does not have the authority to “limit” the power of the judicial branch. however, the president can influence the political direction of decisions made by justices on the supreme court through the nomination process when a position becomes available.i would say the best answer is that he can at least interpret the laws

"d. the battle of quebec began the french and indian war and the attack on fort duquesne ended it." is your answer this is because the war and attack included washington and his people.