In 1982, relations between the U. S. and the Soviet Union became deeply strained after the Soviet Union
А
was discovered to have encouraged Iran's taking of US
hostages at the American embassy in Tehran in 1979
B
threatened war if the US went ahead with plans to develop
and deploy the Strategic Defense Initiative (SDI)
shot down a Korean Airlines flight when it strayed into Soviet
airspace
D
implemented trade policies that had the effect of creating an
enormous trade deficit for the U. S.