1. Which change in American society increased sales of these devices in the 1920s?
A. use of the telegraph
B. accessibility of electricity
C. use of union labor
D. ease of transportation

Which south american patriot of lrish descent became the leader of newly independent chile

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.

Which 3 ancient principles can be found in american government