The Crusaders took place in the 1700s. true or false

How important was the erie canal in in connect, unify and expand the nation

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.

What is a characteristic of the paleolithic period