Which Canadian Prime Minister went head-to-head with President Ronald Reagan over acid rain? 

A)  Jean Chretien 
B)  Stephen Harper 
C)  Brian Mulroney 
D)  Pierre Trudeau

Acid Rain

Precipitation that contains a higher concentration of acidic components such as sulfuric or nitric acids, resulting from emissions of sulfur dioxide and nitrogen oxide.

Canadian Prime Minister

The head of government in Canada, responsible for leading the executive branch and setting the national policy agenda.

Ronald Reagan

The 40th President of the United States, who served from 1981 to 1989, known for his conservative economic policies and role in ending the Cold War.