How did the Appeasement Policy used by the French and the British contribute the cause of World War II?

Appeasement emboldened Hitler's Germany, essentially leading to WWII. As Hitler continued to invade territories and build a military capable of fighting a major war—despite the Treaty of Versailles—Britain and France allowed him to continue, hoping he would leave them alone if they left him alone.

Explanation:

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.