Answer: Organized labor unions fought for better wages, reasonable hours, safe work conditions, make health benefits available and help those who are injured on the job or retired.
Explanation:
National Labor Union (NLU) is a political-action movement that from 1866-1873 sought to improve working conditions through legislative reform rather than through collective bargaining.
Answer:
paleoecology
Explanation:
because because they study fossil of animals and plants. If it's an old rat's nest it will most likely contain fossils.
