Answer:
A reference group is a group that people compare themselves to—it provides a standard of measurement. In U.S. society, peer groups are common reference groups
Explanation:
I think it's war but I'm not really 100% sure on it
Competing conquistadors arrived and fighting broke out which killed half the Spanish in 1519. Then later in 1521 European diseases killed most of the Natives which allowed Cortes to lead a brutal attack and succeed.
Answer:
A is the core answer
Explanation:
The battle of Yorktown was the final battle of the revolution and caused the surrender of the British
