What factories required employees to work long hours six days a week? a shirt factories b sweatshops c steel mills

The factories that required employees to work long hours six days a week were the sweatshops.

Option  B

Explanation:

The term sweatshop directly relates to the hard and horrendous working conditions at the workplace. These conditions include everything from long working hours to hazardous, life-threatening tasks.

The word sweatshop comes in line with the exploitative jobs that make the employees sweat beyond the limit and get themselves remuneration that is not worth the efforts put in by them.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)