Sikh Confederacy and Sikh Empire  separate things  The Sikh Confederacy was a collection of independent sovereign Sikh states whereas the formal Sikh Empire one sovereign Sikh state under the Command of Ranjit Singh They are two separate things The situation AD is similar to China Warring States Period AD where one of the Kings of the states starts to conquered the other states and combine them into a single new state under his sole sovereign command process complete on  April will his coronation and official recognisation   Sikh Conferate Empire  I added this section originally to highlight the military  economic power change after AD However this I inputted into the Sikh Empire article but it clearly belongs in the Sikh Confederacy because the polictical strucure of the Sikh Confederacy was still active and in play The formal Sikh Empire did not exist then only existed in