Which of the Following Are Reasons Economists Consider Valid for Trade

Multiple Choice

Which of the following are reasons economists consider valid for trade protection? I.Protection penalizes countries that have weak environmental standards.
II.Protection limits dumping of low-wage jobs into the domestic economy.
III.Protection prevents low-wage jobs in foreign countries from lowering wages in Canada.

A) I and II
B) II and III
C) I,II,and III
D) I and III
E) None of the above