Lincoln's major war aim was to preserve the Union, or the whole nation.
The answer is nation-state, hope this helps!
Saratoga- the continental army preserved and won the decimated burgoynes troops, cut off supply routes and Burgoyne never received his promise and desperately needed reinforcements ( found online so change to oun words)
Yorktown-after three weeks of nonstop bombardment birthday and night from artillery Cornwallis surrendered to Washingtonian the field at Yorktown ending the war ( also found online)
