Answer: first of all, the world NEVER existed for 100 millions years, billions, it never did. You might be shocked but the world exists only for 6,000 and a half years. If the world existed for millions of years than we would only see technology everywhere and we would have a terrible climate change, air pollution, we would have dust everywhere, tsunami's, earthquakes etc. I'm getting this according to the bible
Explanation:
The correct answer is that <span>The United States was fighting against an enemy who discriminated by race while allowing discrimination at home
They believed that the United States was using african-american soldiers and fighting discrimination and for equality in other countries worldwide, while at the same time they were segregating and violating the rights of their own people which meant that they were extremely hypocritical and had to first look into their own back yard. </span>
NATO was formed in 1949 as a military defense among some of the countries of the free (non-communist) world. Today, it guarantees military assistance to any country that is a part of NATO in case of an international attack on the scale of a war. So, it would probably be good for the US to stay involved in NATO, even just as a precaution in case of an attack from another country, and also to help other countries if they are attacked. Hope this helps!
Domino Theory is your answer.