The continent is Antarctica.
"About twenty-five percent of Rome’s population was enslaved" is the statement among the choices given in the question that <span>best describes slavery in ancient Rome. The correct option among all the options that are given in the question is the second option or option "B". I hope it helps you.</span>
The event was called the Great Purge. Several Soviet officials and high ranking people were arrested during this event. Some were even executed.
There will probably be many new kinds of technology by 2028. One way people could be viewing digital videos is virtual reality. That technology already exists today, and could be improved a lot by then.
As seems to happen so often in politics, the Federalists opposed the Louisiana Purchase not on principled grounds but because they thought it would hurt them politically. They claimed to oppose the Purchase because it was unconstitutional.