One reason that someone might join a union is to have the benefit of being treated fairly and with respect. Unions support their members and stand behind them with regards to these things. Another reason might be because some unions have clauses that state a union member cannot be laid off.
Labor Unions
workers
Unions do the collective bargaining on behalf of workers.
African American workers joined Labor Unions.
Generally no.
To conduct strikes
Labor Unions are organized to help labor. There are two types of labor unions, Craft Unions for workers in a certain skill or trade, like masons or carpenters; and Industrial Unions that are made up of all the workers in a particular industry. The Auto Workers Union is an example of an Industrial Union and the AMA is an example of a Craft Union.
Unions.
which group organized labor unions in the U.s, in 1800
Most Labor Unions are a formal group of workers.
to protect the rights of workers
We honor workers and unions.