Question

international developments in the post - war world
one reform khrushchev instituted was to
open the country to foreign visitors.
eliminate the secret police.
limit censorship to the media.
allow political prisoners to be freed.

Explanation:

During Khrushchev's tenure, one of his reforms was to allow the release of many political prisoners as part of his de - Stalinization efforts. He did not fully open the country to foreign visitors in the way described, did not eliminate the secret police, and did not limit censorship just to the media.

Answer:

allow political prisoners to be freed.