Which evidence from "Healing a Wounded Heart: Daniel Hale Williams" best supports the idea that Williams improved health care for black Americans?

"In fact, Provident was the first hospital in the United States in which black and white doctors worked together to care for  all patients, regardless of race."

Brainlest plz

answer; /// i believe that the correct answer is (divison of labor);

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings