Industrial revolution - social studies kids, Period in american (and world) history in which society moved to a focus on machines, factories, and industry. populations in northern america, especially, built. American revolution kids, The mrnussbaum.com american revolution section is one of the most comprehensive on the entire internet for kids. learn about causes and effects, battles, people of. Planet mass comparison - messenger-education.org, A nasa discovery mission to conduct the first orbital study of the innermost planet.

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