Maduro promoted a consultative referendum in Venezuela to support Venezuela's claim to the Essequibo region, which is disputed with, and controlled by, neighboring Guyana. In 2016 a group of Venezuelans asked the National Assembly to investigate whether Maduro was Colombian in an open letter addressed to the National Assembly https://stephenyocjt.uzblog.net/indicadores-sobre-venezuela-você-deve-saber-43861355