When do national party conventions meet?
every two years
every year
in congressional election years
in presidential election years

Explanation:

A United States presidential nominating convention is a political convention held every four years in the United States by most of the political parties who will be fielding nominees in the upcoming U.S. presidential election. I hope that helps you.

On the same day in every state  - Gradpoint

it was the new england colonies.

hope dis !

just like you man, i personally think its either c or d

explanation:

but good luck with the test man