Kayla's age = x
Sharon's age = 35
sharon's age is at most 3 more than twice Kayla's age
35 is at most 3 more than 2x
35 is at most 2x + 3
35 ≤ 2x + 3
Provide economic aid to several foreign nations,
contain Communism from spreading any further
establish U.S. military bases around the world
Answer:
Stable food supply,Social structure,System ofgovernment,Religious system,
Highly developed culture,Advances in technology,Highly developed written language.