What is the light collecting area is sq meters of a 10m telescope

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.

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he conquered constantinople and ended the byzantine empire., ottoman sultan called the "conqueror"; responsible for conquest of constantinople in 1453; destroyed what remained of byzantine empire. the successor to humayan, after his sudden death.