What deterred many slaves from attempting to escape?
their family members were often on the same plantation.
their masters were required to reward them for good behavior.
they did not have the necessary skills to survive off the plantation.
they were continually monitored by guards on the plantation.

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.