The NAACP was the National Association for the Advancement of Colored People- the name already shows you that they were interested in racial equality! They filed the case in order to repeal and forbid the practice of having racial segregation at schools - and they won!
By 285 CE the Roman Empire<span> had grown so vast that it was no longer feasible to govern all the provinces from the central seat of </span>Rome<span>. The Emperor Diocletian </span>divided<span> the </span>empire into<span> halves with the </span>Eastern Empire<span> governed out of Byzantium (later Constantinople) and then </span>Western Empire<span> governed from </span>Rome<span>.</span>
Petersburg is really crucial for the victory because it's the main point for the Confederate's supply line.
By winning the war of Petersburg, the union managed to cut off food and ammo supplies for other soldiers in another battlefront which eventually caused the Confederate army to start falling like dominos.