Answer:
C. stop the white settlement of their land.
Explanation:
Answer: Physics
Explanation: Physics is the field of science that studies an objects behavior in a certain time and space.
The Gilded Age saw a rise in unhealthy and dangerous working conditions. Most factory owners and bosses were more concerned with profit than worker safety. During industrialization, the work accidents and terrible working conditions were countless To combat this, workers formed unions to fight for higher wages, better hours and safer conditions.
The North had the advantage in that respect. It had more factories and railroads making it more self sufficient than the South.