It is protected by the fact that it has a system of separation of powers with three branches that control each other and prevent tyrannical behavior from a single branch. They are also separated into local provinces and autonomous regions that are ruled by small scale governments that have some degree of independence and that could easily oppose a new form of tyrannical government.
I think it was the Soviet party, because during the Cold War before Gorbachev, the only political party you were allowed to be a part of was the Soviet Party, but I don’t know what time frame this question refers to.
The correct answer is A! Cabeza de vaca!
C.) Hideki Tojo was the leading general and prime minister of japan during world war 2