Many of these internees were used for forced labour in internment camps. Fort Lincoln was a large internment camp still holding internees in North Dakota. The fate of Polish prisoners and internees in Soviet Russia remains poorly researched. The first internees were Italian and German seamen. The first loyalist internees were detained in February 1973. Africans were held separately from Boer internees. Eventually it was decided to hold the internees in camps. Some camps had tents rather than buildings with internees sleeping directly on the ground. Many actual or suspected communists were among the first internees. Internees of the Grafenstein camp were also transported. Camp conditions and the treatment of internees varied from camp to camp. Several internees and Japanese were killed and wounded. It recommended that the government pay reparations to the internees. Most of the internees were released before the camp closed in 1942. Sixty-two percent of the internees were United States citizens.