C: F<span>oreign workers could not travel to the U.S. to work at the expense of factory owners.</span>
C. Separation of powers although I guess it also ties in with checks and balances and the branches of the government
<span>The Hellenistic (Greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines was C. Archimedes.</span>
Well at first people named things for how they looked, for example, the heart has a heartlike shape. Eventually scientists started using Greek and Latin roots and such in names to prevent confusion.
