Please Answer #21 at the bottom :)
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In stage 2 farmers used the land primarily to grow food for their families and their small communities.

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions

Modern democracies function as republics in which elected officials make decisions for the majority of the people.