What will happen if the ancient chinese didn't invent the compass?

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.

¿how a native american might have responded to jackson's policy to move native americans east by force? use these words in your treaty, trail of tears, supreme court.

What is the fundamental idea behind the fourteenth amendment to the constitution