What was the system of the "underground railroad? " a. a connection of farms where slaves could find work while migrating. b. the north-bound train that only slaves knew, but sang about. c. the system of escape routes and hiding places for runaway slaves. d. one slave would escape but leave pieces of clothing along the route for other to follow.

C. The system of escape routes and hiding places for runaway slaves.

The Underground Railroad helped many slaves escape slavery to the North, where they were able to live as freedmen.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

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what started the norman conquest?

profound political, administrative, and social changes in the british isles. last line of my information: )