Kennedy is urging people to come to Berlin so they can O learn to work with Communists.

O escape from the tensions of the Cold War.

O see first-hand the evils of communism.

O study the benefits of communism.

O see first-hand the evils of communism.

Explanation:

These are some of the words from From kennedy's speech and he urged these sets of people to visit Berlin:

-those who did not understand the existing issues between the free world and communist world.

- those who believed communism was the future

- those who thought they could work with the Communist

-those who knew just how evil communism is but still think it helps them make progress economically.

Kennedy was urging these sets of people to come to Berlin to see and have a first hand experience of the evils of communism.

im going to go with b.