In the late 1800s, the united states began to focus its foreign policy on a. economic expansion. b. imperialism. c. military expansion. d. nationalism.

1. what was william harvey's discovery about the human body? @ two types of blood flowed through the veins and arteries. b four fluids existed in the body: blood, yellow bile, black bile, and phlegm. © the same blood flowed through the veins and arteries. d ancient ideas of human anatomy and bodily functions were wrong. done