What specific language in the document indicates that the freeing of slaves is for moral reasons?

The document states that all slaves shall be free, Lincoln also mentions god a few times in the proclamation, Moreno to justify the document and to encourage those who read it that it was a good thing. This quote pretty much sums up the document,      "And by virtue of the power, and for the purpose aforesaid, I do order and declare that all persons held as slaves within said designated States, and parts of States, are, and henceforward shall be free; and that the Executive government of the United States, including the military and naval authorities thereof, will recognize and maintain the freedom of said persons."

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

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