Complex sentence: Toghon Temür appointed his cousin El Tegüs Crown Prince, as he was ward of El Tegüs'mother Budashiri, but he was controlled by warlords even after El Temür's death.
Split into simpler sentences: Toghon Temür appointed his cousin El Tegüs Crown Prince, as he was ward of El Tegüs'mother Budashiri. But he was controlled by warlords even after El Temür's death.