Which innovation most contributed to the development of the civilization depicted in the map?

And the spark struck out by that steed, in his flight, kindled the land into flame with its heat. what do you think he meant

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 events and ideas connected to andrew jackson led to patterns of change in the united states? how did things stay the same.