Answer:
Location a: Andes Moutains
Location b: The Mexican Plateau
Explanation:
Answer:
Increased trade between countries.
Explanation:
The Silk Road refers to the land routes connecting East Asia and Southeast Asia with South Asia, Persia, the Arabian Peninsula, East Africa and Southern Europe all connected. This route was massive and the best in terms of trade.
The decreases travel and security cost led to increased trade between countries.
In order to establish a system of balances to create equal division of power. They didn't want the president to have to much power because the branches might do crazy things.