How do slave and servant owners hope their fugitives will be identified

The owner identified their runaway slaves and servant by describing their clothing and how they talk. Sometimes with identification mark in their body. Owners sometimes directed the slave hunters with the direction they have run, who found fugitives (slaves) with the help of dogs. Slaves and servant considered to be the property of their master, who had right to sold and purchase them.  

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in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

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