What are some of the effects of human activities on rivers? Check all that apply.
A. Loss of economic profits to landowners
B. Deforestation
c. Industrial pollution
D. Loss of aquatic life

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.