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.
Answer:
They need salt in their diets to survive
Explanation:
People wanted gold for its beauty, but they needed salt in their diets to survive. Salt, which could be used to preserve food, also made bland food tasty. These qualities made salt very valuable. In fact, Africans sometimes cut up slabs of salt and used the pieces as money.