The crusades was a series of military expeditions to convert all native americans to christianity true or false?

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.

In sparta, boys entered military training at age 14. true or false

Where did the deafeted chinese nationalist flee to and form a new nation?