How humans affect the pedosphere and biosphere?

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

One of the main reasons the united states occupied japan after world war ii was that

How did the korean war impact the elections of 1952?