(A) ** True
(B) False, Labor leaders needed more workers.
EXPLANATIONS BELOW
Concept note-1: -It included among its members such notables as Andrew Carnegie, Mark Twain, William James, David Starr Jordan, and Samuel Gompers with George S. Boutwell, former secretary of the Treasury and Massachusetts, as its president.
Concept note-2: -The Anti-Imperialist League opposed annexation on economic, legal, and moral grounds. The original organization was founded in New England and was absorbed by a new national Anti-Imperialist League. Prominent statesman George S. Boutwell served as president from the League’s inception in 1898 to his death in 1905.