The northerners greatly disagreed with the act. The Fugitive Slave Act meant that if a slave ever escaped, he/she could be caught and returned to his/her owner. The northerners were primarily abolitionists, so they strongly disagreed with the Fugitive Slave Act.
John Winthrop helped changed the Government of Massachusetts with moderation. Massachusetts was a very conservative and religious colony at the time. But he was popular because he governed with "modern sensibilities." He fought against very conservative figures as well as very liberal figures in the colony.
300 years because it took place from 14th-17th century
The United States Congress at the request of President Roosevelt declared war on Japan and its allies the day after the attacks.