Select the factors that contributed to increasing United States involvement in world affairs. the Japanese-American Treaty
the Open Door Policy
the Boxer Rebellion
the Square Deal
the Panama Canal
Roosevelt's role as mediator

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