What is the key idea stated in this quote

How did europeans and africans displace native americans in north america’s predominant peoples?

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

Hitler was confident about invading russia because he had recently captured