It is argued that peace in Europe between the Napoleonic Wars and World War I was kept by

Clearing tropical rain forests with slash-and-burn techniques are said to be doubly destructive because not only are fewer trees able to remove CO2 from the atmosphere, but

a. as forests are burned for clearing, the amount of CO2 discharged into the atmosphere increases. b. Runoff from the fires pollutes rivers. c. Many people die from the difficult nature of the work. d. The cleared land is most often used for farming. e. Many animals are poached during the process.

Voters appear to be willing to support taxes for particular programs, while tending to oppose more general tax increases. This seems to indicate that taxpayers demand what from taxation?

A. collectability B. quid pro quo C. retroactive application D. ad hoc action