The articles of the Constitution explicitly outline:
B - a bicameral nation legislature.
Article I, Section 1 explains how Congress is split into the Senate and House of Representatives, a form of national bicameral legislature.
The answer to the question is Korea
Political science uses a scientific approach. Political scientists approach their studies in an objective, rational, and systematic manner.
Modern warfare can create the same kind of heroes as the Spartans, however, it's less often the case that it happens though. There are many reasons for this, one important one being that modern warfare isn't reckless.