Why did it take so long for working class people to fight for improved conditions? Workers were simply grateful to have a job and a place to live.
Workers accepted that industrialization brought problems.
Workers were too tired from their jobs to protest.
Workers had no power to make their voices heard..

D. workers had no power to make their voices heard

Explanation:

right on edge

Explanation:

Cactus Hill site has human remains that have been dated to around 20,000 years ago. Given its location in Virginia shows that human beings had reached America earlier than this. This contradicts the theory that postulates humans came to America from Siberia through the modern day Bring Strait. The theory asserts that at the end of the Ice age humans were able to cross to America through the Beringia land bridge and other means such as canoes and rafts around 10,000 years ago.