Because of slavery,the Europeans wanted to make them work without pay
Labor unions were formed to push for "a. better working conditions" "d. eight-hour workdays" and "<span>f. demand for higher wages" since the Industrial Revolution had led to great mistreatment of workers. </span>
It was called isolationism :D
The correct answer is where the royal power was weak or non-existent
Whenever there was a king that couldn't keep everyone in line, the local lords would band up on him or would become more and more independent and it would be difficult to control them since they would often work even with foreign powers against their own lords. This led to the downfall of numerous dynasties or emperors in Europe.
The second third and fourth amendments were significant during the late 1700s because the british soldiers forced citizen to submit to their authority during colonial disputes that is before revolution.The first amendment did not provide the right to bare arms.