It failed because the people who were indentured servants eventually ended their servitude and left to build their own families and farms. They were also more rebellious then the Africans who were imported from Africa. It wasn't worth it to take Europeans when Africans were better workers.
The patient received a new trachea, or windpipe, made from his own stem cells<span>. An international team of surgeons successfully carried out the world's first </span>transplant<span> of a synthetic </span>windpipe<span>.</span>
Industrialism causes middle-class women to start working in factories and other workplaces such as sweatshops.
Rosie the riveter was meant to inspire women to get jops in factories