Unions negotiate to include union security clause in contracts because it provides funds to support union activities such as negotiations and grievances.
A union is referred to as an association developed to raise a voice for workers in the organization and helps them to understand their rights and protect them from exploitation.
Unions negotiate to include a security clause in contracts because they will receive financial helps to assist the activities of resolving negotiations and grievances with the company.
This union helps to safeguard the rights of workers and fight to provide equal pay for the work they have done. This also helps to provide medical if workers got injured at the factory place.
Therefore, option A is the most appropriate answer.
learn more about unions, here:
https://brainly.com/question/749754
#SPJ1