Answer:
Snickers or skittles to me
An unpleasant emotion caused by the belief that someone or something is dangerous, likely to cause pain, or a threat:
He added a new military system--Reagan instituted the "Star Wars" program increasing spending on missile systems.
Reagan's increase in military spending caused the Soviet Union to reply as they had in the past in the arms race with the US. The USSR was hurting financially and struggled to keep up with the arms race. This would eventually hurt the USSR's resources lending to collapse.
Full of danger or uncertainty. Hope this helps.