What battle turned the tide of war in favor of the americans?
the battle of saratoga
the battle of brandywine creek
the battle of white plains
the battle of valley forge

The Battle of Saratoga.

Explanation:

The two Battles of Saratoga were a point decisive in the American Revolution according the Historians of Britain Encyclopedia but others searching match with this point of view.

They took place in the fall of 1777. The first battle of Saratoga was on september and the second was on october.

These battles did help to persuade the French to recognize the independence and to openly provide military assistance.  

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.