E. growing and urbanizing populations needed to be fed
Answer:
The USA became involved in Vietnam because it feared the spread of communism. The USA were unable to defeat the Vietcong and were met with growing opposition to the war back home.
this is the only one I can answer, I'm sorry. I hope this helps though
It’s limited and unlimited resources
<span>C.megalopolis It consists of several large cities and suburbs that adjoin each other. L.A , San Diego and other cities adjoin each other. Hope this helps </span>
I believe that the answer is C
