In what way did the war change after the Emancipation Proclamation?
The war became more about fighting for freedom.
More Southerners were voluntarily letting their slaves go.
The war began to favor the Union over the Confederacy.
More slaves being set free in the North.

After the Emancipation Proclamation, the freeing of the slaves became one of the North’s "primary goal" of the war, since the Civil War--at its heart--was really about slavery and its spread.

Explanation:

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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