At the Time, the Greatest Controversy Emerging from the Spanish-American

At the time, the greatest controversy emerging from the Spanish-American War was over

A) whether the declaration of war against Spain had been justified.
B) whether the Teller Amendment promising Cuban independence was wise.
C) the U.S. insistence on gaining a permanent military base at Guantanamo Bay.
D) the U.S. colonial acquisition of the Philippines.
E) the U.S. colonial acquisition of Puerto Rico.