Answer:
A
Explanation:
The most effective technological innovation for the Mongols was combat on horseback, aided by the use of a Stirrup.
<span>Governor's State of the State</span>
Answer:
Sumer had unpredictable floods, causing the need to develop irrigation. It had no natural barriers, causing the need to build walls. It had a lack of natural resources, fostering the need for trade with other peoples.
Explanation:
Which statement explains how U.S. involvement in Vietnam began?
-> President Kennedy sent U.S. military advisers to aid South Vietnam in its attempts to subdue the Vietcong
