The thirteenth amendment outlawed slavery in the U.S.
They had to reinvent their economy because General Shermans tactic of total war. when he did total war, he marched from the north all the way to Atlanta, Georgia and destroyed anything that couldn't be used as food or supplies. so they had to reinvent their economy because the south was totally destroyed
Economics: the study of production, consumption and transfer of wealth
C..He conquered many European kingdoms and fought off invaders
They have gained control over the Iberian Peninsula: The Umayyad Caliphate had control over most of the Iberian Peninsula, which was later taken by the Christians in the Reconquista. Additionally, they had control over Malta and Sicily.