Why did leaders
decide to expand the
trade unions?

Health and safety conditions in the workplace were poor and workers had limited recourse. By forming unions, workers were able to use collective bargaining rights to demand change.

Explanation:

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under

fertile good for trade etc