sentences:  It is thought that due to the importance of cobalt for batteries for electric vehicles and stabilization of electric grids with large proportions of intermittent renewables in the electricity mix, the DRC could become an object of increased geopolitical competition.In the 21st century, Chinese investment in the DRC and Congolese exports to China have grown rapidly.In July 2019, UN ambassadors of 37 countries, including DRC, have signed a joint letter to the UNHRC defending China's treatment of Uyghurs and other Muslim ethnic minorities.