With other workers of the same skills, workers formed a. strikes. c. trade unions. b. famines. d. prejudices.

The answer is C. Trade unions.

Explanation: Workers with the same skills can form trade unions in order to seek for better working conditions. Normally what they ask for is increase of wages, improvement of working security conditions, improvement of the different devices and supplies they requiered to develop they jobs, respect of their time and garantees of a steady job.

answer; mental health prevention programs;

answer; jung;