I think its D: The Red Sea
It was "Andreas Vesalius" who was the sixteenth-century physician who published the first accurate and detailed picture of human anatomy, since he was one of the most advanced and knowledgeable surgeons of his time
Checks and balances is a system were the goverment checks the other two braches of goverment, and balance them out. so if the execuative branch gets to much power, the judicial and legislative branches bump down the power of it.
During WW2 the military was inventing the atomic bomb then later launched it on Japan
