What challenges did the United States face in the war in the Philippines?

The war was brutal on both sides. U.S. forces at times burned villages, implemented civilian reconcentration policies, and employed torture on suspected guerrillas, while Filipino fighters also tortured captured soldiers and terrorized civilians who cooperated with American forces.

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

answer; taking up arms to defend the nation;