What european was first introduced to the potato

Somebody save the ! what was greek math and science also medicine

Of those who attended the philadelphia convention, which of the following traits would be least likely to be found? a. many were highly educatedb. all were menc. many were from the urban centersd. many came from the western frontiers

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.