Answer:
the first one is c and the second one is a
Explanation:
The collapse of the Silk Road gave a boost to Indian ocean trade.
a U.S. presidency that is characterized by greater power than the Constitution allows.
Answer:
The naming of the Americas, or America, occurred shortly after Christopher Columbus's first voyage to the Americas in 1492. It is generally accepted that the name derives from Amerigo Vespucci, the Italian explorer, who explored the new continents in the following years.
Explanation: