Question

What were some of the federalists failings in the federalists era?

Answer 1

Two words and a statement:

John Adams.

Aaaand distrust in between the Federalists near election time.

Answer 2

The greatest federalist failing in the federalist era was that they failed to officially protect against corruption in the federal government, which was a major concern for many. Another was that they failed to dispel rumors that the new government would become too powerful over the states.