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
I can't Understand you Sorry
Answer:
Correct answer is A. The Middle East
Explanation:
There are 14 members of OPEC and most of them located in Middle East, including United Arab Emirates and Libya. Qatar was member until 2018.
None of the countries from Europe are members of this organization.
The same thing is with Central Asia, while from South Africa we only have Angola.
It is interesting that some of the largest petroleum exporting countries are not members of this organization.
The smallest country in mainland Africa is The Gambia with a total land area of 10,689 km². It is enveloped by its neighboring country, Senegal.