It gave workers MORE power to stand together and negotiate than they would have had if they worked separately. This way workers could work together to reach a common goal and receive equal treatment instead of every man for himself.
It will have an increase of demand for many medications, causing more jobs in the Pharmaceutical industry.
Because not every place has the same language. There are many different places with different culture. It can impact a place in different ways. For example, if you speak spanish in a british place, then some people may be confused or want to learn it. It all depends.