Question

The headquarters for both major parties are located in

Answer 1

The first two-party system consisted of the Federalist Party, which supported the ratification of the Constitution, and the Democratic-Republican Party or the Anti-Administration party (Anti-Federalists), which opposed the powerful central government that the Constitution established when it took effect in 1789.

Step-by-step explanation:

The first two-party system consisted of the Federalist Party, which supported the ratification of the Constitution, and the Democratic-Republican Party or the Anti-Administration party (Anti-Federalists), which opposed the powerful central government that the Constitution established when it took effect in 1789.

Answer 2

Washington D.C