The United States of America won/drew the revolutionary war with the help of France Spain Dutch republic and the British (yes the British also helped the US)
Merchants and traders who travel along these routes must stop at oases to replenish food and water supplies and this means that whoever controls an oasis also controls the trade along the route—making oases desirable to political, economic, and military leaders.
Answer:
the 15th Amendment granted the black to vote under the law.
blacks are slave but when it was abolished they gain their full citizenship and right to vote.
bondage, enslavement, servitude,
thralldom, thrall, serfdom, vassalage
"thousands were sold into slavery"
The answers is the last one... hope this helps :)