What was the most significant change marco polo witnessed while he was on his travels?

Marco Polo was the most famous Westerner that traveled on the Silk Road at age of 15

Marco Polo witnessed the opening up of Mongolia and China by their ruler, Kublai Khan, to outside world. Kublai Khan welcomed European explorers such as Marco Polo to his royal court.

The correct answer is c

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