求翻译：此宣言仅立即解放少部分奴隶，但实质上强化联邦军掌控邦联的领土后这些黑奴自由的权威性，并为最终废除全美奴隶制度预先铺路是什么意思？

This declaration only immediate liberation of a small number of slaves, but in fact strengthen the federal military control of the territory of a confederation of the authority of the slaves free, and the eventual abolition of slavery in the nation in advance to pave the way

This declaration is only less immediate emancipation of slaves, but in fact strengthen federal army of the Confederate territory control after the freedom of the black slaves, and authoritative for the final abolition slavery throughout the United States pre-paving

This manifesto only immediately liberates little the partial slaves, after but in the essence strengthens federal army control confederation the territory these black slave's free authority, and for finally abolishes the entire American slave system to pave the way for in advance

This declaration is only the immediate liberation of small number of slaves, but in fact strengthen federal army control of the Confederacy after the territory of the black slaves free and authoritative, and paving the way for the eventual abolition of slavery across the nation in advance

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