The answer is D) two-party
Explanation:
5 Issues at the Constitutional Convention. When the 55 delegates gathered in Philadelphia to revise the Articles of Confederation, there were several major issues on the agenda to discuss including representation, state versus federal powers, executive power, slavery, and commerce.

Recovering from the 1970s. The 1970s were known to be a time of malaise. This was where many American had wanted to return to the economic and social policies of the 1950s. Due to the inefficiencies of the Ford & Carter Administration to tackle High Inflation and The Oil Crisis. Reagan's Administration had brought and idea of "Making America Great Again" to fix the broken Economy that was a result of the 1970s.
Germany was the first, in world war 1.