Many nations had already abolished slavery.
Let me know if you want to know why.
World War I officially ended with the signing<span> of the </span>Treaty of Versailles<span> on June 28, 1919. Negotiated among the Allied powers with little participation by Germany, its 15 parts and 440 articles reassigned German boundaries and assigned liability for reparations.</span>
Late Mughal leaders' intolerance of non-Muslim citizens weakened the empire.