Answer:
The approval of 2/3 of the senate
The true statement here is C. The Universal Declaration of Human Rights lists human rights for everyone, universally. =)
This was a big deal because it introduced the concepts of limited government, rule of law, and due process. It also helped create the nation's Parliament (kind of like Congress in the U.S.). The Magna Carta was a government document that limited the power of the king of England and protected the rights of the nobility.
B. The Cold War
The Cold War was pretty much who had the best weapons, technology or advances in technology, science, etc.