Which country was the first to send explorers to the americas?

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.

Who were the only people that were not allowed to be a citizen in the roman empire