What was the primary goal of the civil war prior to the issuance of the emancipation proclamation?

Up until September 1862, the main focus of the war had been to preserve the Union. With the issuance of the Emancipation Proclamation freedom for slaves now became a legitimate war aim.

Before the Emancipation Proclamation, The Civil War was about preserving the Union.

the british won and the germans couldn't invade great brit

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