What impact did glasnost and perestroika have on the soviet union?

Should the united states have continued to fight in the vietnam war after 1968?

Which of these is the modern day result of spain colonization of the americans?

What do sellers do if they expect the price of goods they have for sale to increase dramatically in the near future? store the goods indefinitely regardless of when the price rises store the goods until the price rises and then try to sell them sell the goods now and try to invest the money instead of resupplying sell the goods now but try to get the higher price for them