Answer :
Final answer:
The Emancipation Proclamation highlights Lincoln's stance against freed slaves taking up arms against their former masters, promoting non-violence and peaceful labor.
Explanation:
The phrase that supports the claim that President Lincoln did not want the slaves to take up arms against their former masters is I hereby enjoin upon the people so declared to be free to abstain from all violence, unless in necessary self-defense; and I recommend to them that, in all cases when allowed, they labor faithfully for reasonable wages. This statement emphasizes non-violence and peaceful labor, indicating Lincoln's reluctance for the freed slaves to engage in armed conflict against their former masters.
Additionally, the proclamation also mentions that persons of suitable condition will be received into the armed service of the United States not to fight against their former masters but to garrison forts and man vessels, suggesting a different role for the freed individuals within the military.
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