The industrial revolution brought masses of people from the cities to the countryside.
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From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

The second continental congress: a. made provisions for a continental army with george washington as commander-in-chief b. adopted a “declaration of causes of necessity of taking up arms” c. endorsed the olive branch petition d. all of the above

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?