President's efforts lead to democratic reforms in haiticlinton: military force necessary to stop human rights violations in former yugoslaviahuman rights advocates condemn u. s. decision to stay out of somalia conflictwhat development in foreign policy do these headlines reflect?

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.