Which area of science did hippocrates study

Medicine

Explanation:

"In the process, Galen's authority was undone, but Hippocrates' eminence as father of medicine remained. Scientific progress in fields such as anatomy, chemistry, microbiology, and microscopy, especially beginning in the 16th and 17th centuries, demanded that Galen's medicine be criticized and revised part by part."(Google)

The Reconstruction era was the period after the American Civil War from 1865 to 1877, during which the United States grappled with the challenges of reintegrating into the Union the states that had seceded and determining the legal status of African Americans. Presidential Reconstruction, from 1865 to 1867, required little of the former Confederate states and leaders. Radical Reconstruction attempted to give African Americans full equality.

Explanation: