U.S. President Bush signs order expanding sanctions against Zimbabwe . The United States has imposed a series of economic and diplomatic measures on the African nation since it seized power in 1980. Just after the announcement , the Treasury Department said it has designated for sanctions 17 entities , including three government-owned or controlled companies used by Mugabe and his government `` to illegally siphon revenue and foreign exchange from the Zimbabwean people , '' as well as one individual . Mugabe , Tsvangirai have signed agreement paving way for power-sharing talks .
U.S. President Bush signs order expanding sanctions against Zimbabwe . The United States has imposed a series of economic and diplomatic measures on the African nation since it seized power in 1980. Mugabe , Tsvangirai have signed agreement paving way for power-sharing talks .