The Hellenistic Erasistratus discovered the heart was the pump to push blood through the arteries.
Aristarchus developed the theory that the sun was the center of the universe.
Euclid wrote the basic geometry book, Elements, that was used for 2000 years.
Hero of Alexandria devised the first steam engine although he considered it merely a toy.
The answer is B. the clock
the clock was invented hundreds of years before he was born
South Carolina seceded from the Union. They were worried that as President Lincoln took office, he would appoint anti-slavery supporters to public office.
.....................................................
They would go to the next oldest male in the family, weather that be a cousin or a nephew
