Answer:
The right choice is:
Workers felt safe and were valued by the owners of the company they worked for .
Step-by-step explanation:
In the 19th century, especially in the first decades of industrial development, workers suffered intense exploitation in factories, mills and other workplaces. They had no rights, employers didn´t care much about their conditions - even of children -, and unions didn´t exist and when they started to be organized, they weren´t allowed; the right to unionize came after a long fight for rights.