Which leader told americans to ask what they could do for their country? a. john f. kennedy b. robert kennedy c. richard nixon d. lyndon johnson

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

How were slavery and indentured labor in american colonies similar

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus