Who was the first explorer to sail all the way down the mississippi river

What industry was exempt from the child-labor laws passed in the factory act of 1833?

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

How might geography have led to greek -city states choosing different gods or goddesses as the protectors of their cities