Answer:
calendrical systems and hieroglyphic writing.
Explanation:
C.moved away native Americans got diseases so they started dying
<span>What is a </span>trade barrier<span>? Example: In 2008, Saudi Arabia and Egypt lowered tariffs on food imports to help their citizens cope with rapidly rising food prices. Tariffs: Taxes on imported goods which cause the consumer to pay a higher price for an imported item</span>
Answer: the United States and Mexico went to war cause of the Westward Expansion
Explanation:
All through the 19th century Americans believed it was their right to expand westward. At the time they believed they could conquer the people already living on the land and take it for the United States.