Which source of air pollution in most big cities is the worst? airplanes
factories
cars and trucks
power plants

Why was the treaty of versailles harsh on germany?

Do some research to further analyze the impact of the industrial revolution. look for information that describes both the positive and negative effects of the industrial revolution. you can use the websites listed below to conduct your research. the first three websites provide descriptions of working conditions during the industrial revolution. the last website describes technological advances of the era. if you like, look for other sites that provide information on the topic.1. 2. 3. ~histwhs/h114.dir/h114.webreader/h1 14.read. m.mines. html4.

Were african-americans allowed to serve in the military in wwi?