The slave culture made the slaves work together to survive. This promoted family, loyalty, and empathy/sympathy for each other. Due to this it caused them to not loose hope and always help each other.
Answer:
Explanation:This might help
Definition: Labor unions or trade unions are organizations formed by workers from related fields that work for the common interest of its members. They help workers in issues like fairness of pay, good working environment, hours of work and benefits.
Just choose anybody historical. But make sure your interested in what they did so it will be easier
The answer is the federal law