His first years as leader were prosperous. He introduced land reforms, which were supposed to give the land owned by white people back to the "original" black owners. This has had a serious impact on how the country is seen from outside. In recent years, Mugabe has allowed violence against the white citizens of the country as well as to opposition leaders of all races. The reforms were done in 1998. In 2001, the United Nations imposed sanctions against Zimbabwe. This was done because human rights abuses came to the attention of the United Nations. 