A group that contributed to the conservative victory in the 1980 presidential election was Republican supporters of Jimmy Carter.
supporters of the Equal Rights Amendment.
people opposed to increased military spending.
Democratic supporters of Ronald Reagan.

Democratic supporters of Ronald Reagan

Explanation:

Democratic supporters of Ronald Reagan, also known as Reagan Democrats are a group of Democratic voters in the United States, typically made up of white working class men who lent their support to Ronald Reagan in the 1980 and 1984 presidential elections.

Therefore, the group that contributed to the conservative victory in the 1980 presidential election was democratic supporters of Ronald Reagan.

D. Democratic supporters of ronald regan

Explanation:

I got it correct on edg

the enslaved people onboard suffered from illness with some frequency

it met the katy line in vinita.

iv. it traveled through cherokee and quapaw tribal lands.