The main idea is <span>Factory workers are degraded at work and at home on a daily basis.
The excerpts above describes the past situation where factories did not even provide necessary salary to sustain the living of their hard-working labors, but they never had a chance to change jobs because they couldn't find another opportunity.</span>
Answer:Tissue engineering, labeled as the 21st century's number one hottest work by Time.com, holds tremendous promise for medicine and chronic disease and condition care. Familiar issues such as the body's rejection of foreign tissue, the extreme shortage of organ donors, and the inefficiency of artificial devices can be solved with tissue engineering. This cutting-edge biotechnology, however, has already created intense controversy over the ethics and morality of spare human parts.
A. powerful and unified because its a union i don't think that there is a better way to explain it.
