The United States is set to remove sanctions against Eritrea, according to an internal U.S. government document seen by Reuters, a decision analysts linked to the African state's strategic location on the Red Sea shipping route.The U.S. move is aimed at improving ties with Eritrea, which has a long Red Sea coastline opposite Saudi Arabia, while also sending a message to neighbouring Ethiopia not to go to war with its longtime Horn of Africa foe, analysts said.The war in Iran and closure of the Strait of Hormuz…