Answer:
It is best described as a union
Step-by-step explanation:
A union can be comprehensively defined as the coming together of people to form an association or a society in order to promote their common interests or purpose.
In other words, a union is a number of persons or group of people associated or joined together to achieve a common goal. Popular examples of unions in the world are trade unions (labor unions, reformist union, industrial union, craft union).