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
Brief Explanations:
In the 1800s, industrial - era working conditions were extremely poor with long hours, low pay, and dangerous environments, which led to increased demands for labor reform.
Answer:
working conditions were horrible.