Answer:
c) both western and Eastern European nations
Explanation:
The main way in which the separation of powers guards against tyranny is by making it impossible for any single branch to become too powerful, since each branch "checks and balances" the others out when it comes to making and enforcing legislation.
Answer: Railroad industry
Explanation:
The best reason is that you'll avoid plagiarism and then you also can tell that you have an understanding of the material.
I hope I've helped!