While there were a number of social, political, and economic causes for the Sepoy Rebellion, the spark that lit it off was an unfounded rumor that the new British issued cartridge for their Enfield rifles was loaded with cow and pig fat, which offended the repressed Hindu and Muslim minorities.
The Romans adopted their alphabet from the Greek civilization.
Lincoln did not have time to implement his plan prior to his death, so President Johnson took over Reconstruction.