I can't help you with your second question but heres a site that I've found to help you with your 1st one. I hope this helps^-^
https://nationalinterest.org/feature/5-big-lessons-the-first-gulf-war-13536
I think it is the first one
The primary issue with a one party system is the suppression of individual rights and no democratic rights.
In a one-party system, like the one in Communist China, the people have no voice in how the country is run. One political party makes all the decision without any opposition in the parliament.
From the perspective of human rights, this will lead to dictatorship and a curb on freedom of speech.
The answer is (C.) The appointment of Supreme Court justices for life. Hope it helped you, and have a great day.