What was the main issue that Canada had to fight really hard for when NAFTA was being negotiated?  

a. To get the other countries to raise their environmental laws up to be more in line with the higher Canadian environmental standards. 

b. To get the other countries to raise their tariffs up to be more in line with the higher Canadian tariffs. 

c. To get the other countries to lower their high tariffs on maple syrup in order for Canadian exports to double. 

d. To get the other countries to raise lower tariffs up to be more in line with the lower Canadian tariffs. 

e. To get the other countries to raise their labor laws up to be more in line with the higher Canadian labor laws