Which statements about the early years of world war 2 are correct?

- Germany started ww2 when it invaded poland

-in Battle of Britain Germany used bombs to attack GB

-German Troops were stopped by allied forces before they reached Paris

- in the early stages of ww2 Germany demonstrated immense military power

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