What was one major cause of economic problems in Spain and Portugal during the 20th century?
O A. They had relied too much on colonies to generate wealth.
O B. They had access to very few natural resources.
O
C. They refused to join the European Union.
O D. They had the smallest populations in southern Europe.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.