Who helped establish Plymouth Colony and organize the first Thanksgiving? John Winthrop, Roger Williams, Anne Hutchinson, William Bradford

It is William Bradford

Explanation:

William Bradford, the man to step forward in Plymouth Colony. By Autumn of 1621, the Pilgrims had very much had to be thankful. After the harvest ninety and other indians joined the Pilgrims for the English Tradition which is the Harvest Festival. But William Bradford is the one who established the Plymouth Colony and also the first to organize the first Thanksgiving.

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do