Question

What event was considered the birth of the two party system?

a. a constitutional amendment demanding two parties in politics
b. debates for ratification of the constitution by the federalists and anti-federalists
c. the debate over slavery leading to the civil war
d. new policies implemented after world war ii

Answer 1

It's b.  You'll learn that the disagreements between Hamilton and Jefferson, among other things, of course, lead to a two party system.