Why Did the United States Agree to Replace the General

Why did the United States agree to replace the General Agreement on Tariffs and Trade with the World Trade Organization?

A) to increase the number of markets readily available for American products and services and to halt piracy of patented and copyrighted goods
B) to prevent the salaries of American workers from increasing faster than inflation
C) to relocate manufacturing jobs to other countries in order to take advantage of cheaper labor
D) to slow down the pace of globalization
E) to make it harder for goods manufactured in Canada and Mexico using cheap labor to enter the United States tariff-free