The United Auto Workers Has Fought for Curbs on Imports

The United Auto Workers has fought for curbs on imports of foreign-made cars in order to cause

A) a rightward shift in the supply of U.S.cars
B) a leftward shift in the supply of U.S.cars
C) movement to the left along the supply curve for U.S.cars
D) movement to the right along the supply curve for U.S.cars
E) a rightward shift of the demand curve for U.S.cars