Nuclear arms race was a key factor in extending the time period of the cold war. The seeds of the hostility between USSR in US began after the end of World War I with the rising of communism in USSR in Stalin rule made it worse.
I believe the answer would be C due to the fact that it touches on different reasons in the paragraph and doesn't speak on only 1 reason of marriage <span />
"promote the general welfare" is the statement among the following choices given in the question that is best considered a statement of the public interest. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.