How does the chief executive of a parliamentary system differ from that of a presidential system?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans

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