Everyone agrees that the tax burden should be higher on wealthy people than it is on the poor

With the fall of the Soviet Union, and Soviet-style communism in Eastern Europe, the United States could lay claim to the title of the world's only __________

Fill in the blanks with correct word

Which of the following is an example of the threats that exist from the transport of fossil fuels?

A. the Exxon Valdez spill in Alaska B. the Chernobyl disaster C. the Fukushima accident D. the BP oil spill