The wars with Champa along with the Mongols left ??i Vi?t fatigued and bankrupt. The Tr?n relatives was subsequently overthrown by amongst its have courtroom officials, H??Quý Ly. H??Quý Ly compelled the final Tr?n emperor to abdicate and assumed the throne in 1400. He modified the country title to ??i Ngu and moved the money to Tây ?ô, Western