Why might it be important for eu countries to have open and fluid borders?

Explaining how did leopold's aggression promote western imperialism in africa?

Constantine created the first christian empire t or f asap

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