How did the actions of spaniards lead to enslavement of caribbean indians ?

What is one way that the congress of vienna changed the map of europe?

Why did prestdent trumen veto the taft-hartly act

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.