Pedzisa mutsara unotevera: Iri ndiro rondedzero yenzendo dzomunyika dzakawanda dzakaitwa naRonald Reagan, purezidhendi wechi40 weUnited States. Ronald Reagan akaita nzendo 25 dzenyika dzakawanda kunyika 26 dzakasiana-siana mumakondinendi mana (Europe, Asia, North America, uye South America) mukati mehutungamiri hwake, uhwo hwakatanga musi wa
January 20, 1981 uye yakapera pana January 20, 1989.