Answer:
While you cannot exactly know what would have happened if the United States had not entered the war, one can make guesses. U.S. loans to the Allies were vital to the war as early as 1915. US. entry into the war in 1917 was important in maintaining the morale of the Allies especially France. U.S. forces were quite vital in the Allied offensives in the summer and fall of 1917.
I think Jefferson but I’m not sure
A) Magna Carta: limited power of rulers, trial by jury
Explanation:
This document expressed that the king was not above the law. It essentially prevented the king from exploiting his power (thus limited the power of rulers). Furthermore, the Magna Carta was the origin of the jury trial (which the US implemented into their government).
Sources:
https://www.parliament.uk/about/living-heritage/evolutionofparliament/originsofparliament/birthofparliament/overview/magnacarta/#:~:text=Magna%20Carta%20was%20issued%20in,as%20a%20power%20in%20itself
https://www.loc.gov/exhibits/magna-carta-muse-and-mentor/trial-by-jury.html#:~:text=The%20right%20to%20a%20trial,the%20creation%20of%20Magna%20Carta
Roads were built to connect the new territory to the rest of the empire.
The decline of Silk Road directly led to the beginning of European exploration, as did the conquest of the Inca, thus the answers should be B and C.
Hope this could still be of use to you!