The answer is: open the country to foreign visitors.
Nikita Khrushchev was First Secretary of the Soviet Communist Party during the Cold War. He managed the de-Stalinization of the Soviet Union, including a number of radical national changes and the support of the space program.
Although Stalin had allowed few tourists in the Soviet Union and few Soviets to travel, Khrushchev permitted Soviets to travel and allowed foreigners to visit the Soviet Union. In fact, 700,000 Soviet citizens traveled abroad in 1957. The same year, Khrushchev also granted the 6th World Festival of Youth and Students in Moscow.
The civilization which can be considered better for living compared to other civilisations is Inca civilization. Thus the correct answer is B.
<h3>What is the Inca civilisation?</h3>
They are renowned for their contributions to architecture, religion, and the famous road system that runs across the area. The Incas were always consider as greatest, despite not adopting the terrible traditions of cannibalistic of the Aztecs.
They are popular for their architecture and ability to get adjusted to the environment which shows flexibility. They are good at writing and literature.
The Incas were the best because they lacked the cannibalism of the Aztecs and Mayans, did nothing to anger the Spanish, and had outstanding environmental adaptation skills which are not found in other civilizations.
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Judicial, Executive, and Legislative
Well in this period, it is considered the old stone age and for good reason, as this era is characterized by the use of rudimentary chipped stone tools. Basically it was the era when human started using tools that were made from stone. Or in other words, innovated.