Why are labor unions a valuable part of the U. S economy?

They improve wages, benefits, and working conditions, and helped create the middle class. Unions raise wages for all workers. Unions paved the way to the middle class for millions of workers and pioneered benefits along the way, including paid health care and pensions

Explanation:

because the vietnam war was fought in an especially brutal and untraditional way

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.