Who were the group of invaders who settle in Eastern Europe and hungry

What effect did ww11 have on empires that had been created by european nations

What is george calvert's american colony

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.