What did Secretary Seward mean when he said Lincoln should 'wait for the eagle of victory'?

Seward had always advocated for the freeing of all slaves, but with this proclamation he felt that “such a proclamation ought to be 'borne on the bayonets of an advancing army, not dragged in the dust behind a retreating one.” Seward's suggestion to wait until after a victory was adopted along with his other: that

Explanation:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final