A labor union is an organization that acts as an intermediary between its members and the business that employs them. The main purpose of labor unions is to give workers the power to negotiate for more favorable working conditions and other benefits through collective bargaining.
São Tomé and príncipe is the correct answer
The change that was introduced by the Council of Trent to Catholic Church was B) Members of the Catholic clergy were required to avoid luxurious lifestyles.
The Council main aim was to address the corruption in Church. For this reason, it was required that the clergy receive proper education in seminaries and ordination through a diocese. Furthermore, it was established that bishops must reside in their diocese and it was forbade the sale of indulgences.