Which term describes the position held by many Americans in 1800s that it was God’s will that the United States expand its borders? Compromise of 1850

Monroe Doctrine

Manifest Destiny

Popular Sovereignty

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.