Answer:
Trade unions were significant to the working class because they helped hold businesses accountable, by giving those workers a voice in the workplace, they can expose and call out bad business practices, such as low pay or no healthcare coverage. They strengthen their position in dealing with employers and with governments.
Explanation:
Answer in BOLD
Most military people I have known believe the US Air Force is the safest branch to be in from a combat perspective. In the Army and Marines, the enlisted men do the vast majority of fighting, and, therefore, getting killed.