13 According to the passage, which historical event influenced Greenland’s strategic position? (A) Icelandic people first established settlements in Greenland in 982 A.D. (B) Greenland pledged allegiance to the Norwegian king in the 1200s. (C) The U.S. was granted permission to build air bases in Greenland during World War II. (D) Greenland lost settlements in the 1400s due to climate cooling and Eskimo migrations.