Is an accurate statement about both Angola and Mozambique?

Both Angola and Mozambique are countries located in Southern Africa, bordered by the Indian ocean. They share a history of Portuguese colonization, which has influenced their languages and cultures, with Portuguese being the official language in both nations. Both countries have faced challenges related to civil conflict and economic development since gaining independence in the mid-20th century. Additionally, they are rich in Natural Resources, including oil in Angola and natural gas in Mozambique.