How did mass affect americans in the 1920's?

Overpopulation puts severe stress on the environment because .

What was a goal of the treaty of versailles? question 4 options: to germany rebuild its industry to build better roads and factories in germany to make sure germany did not invade france in the future to give great britain and the united states credit for their in wwi

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.