Why Was the Chinese Exclusion Act of 1882 Significant in American

Why was the Chinese Exclusion Act of 1882 significant in American immigration history?

A) It sent all the Chinese immigrants in the United States back to China, establishing a precedent for deporting long-established immigrants.
B) It barred Chinese laborers from entering the country, becoming the first federal law to restrict immigration on the basis of race and class.
C) It was the first time Congress was unable to override a presidential veto of an immigration law, highlighting the power of the executive branch.
D) It angered most Americans, leading to massive violent protests that would successfully prevent other immigrant groups from being targeted.
E) It removed all restrictions from American immigration law, reinvigorating the view of America as a country of immigrants.