How did northerners respond to the fugitive slave act?
a. some northern states enacted legislation opposing it.
b. some northern states challenged it in the supreme court.
c. some northern states enacted the wilmot proviso.
d. some northern states supported it.

Why did china build the great wall of china?

True of false? the privy council established the laws of the colonies, but allowed them to govern themselves

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.