A researcher is studying how the logging industry has affected the ecosystem of the rainforest. Which of the five themes of geography is the researcher most likely studying?

is this question from a book? ?

a stronger central government  

its what they are

result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire

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.