as the 1800s progressed, demands for labor reform increased mainly because\n○ hiring practices were not…

as the 1800s progressed, demands for labor reform increased mainly because\n○ hiring practices were not standardized and were unfair.\n○ wages were not based on workers’ experience.\n○ working conditions were horrible.\n○ firings were without cause.
Answer
Answer:
working conditions were horrible.
Brief Explanations:
In the 1800s, industrial - era working conditions like long hours, low pay, and dangerous environments spurred labor reform demands.