An American benefits from a Union because Unions can help worker's rights be protected in the workplace and can communicate for the worker with the bosses, as well as represent the worker if they think there's unfair treatment.
Answer:
I only speak English plz translate and I could try answer your question
<span>"A. Through votes in their legislatures and conventions" is the best answer. The whole process was relatively quick, with south Carolina being the first state to officially secede.</span>