The correct answer is - NATO.
NATO was an organization created by the United States, United Kingdom, France, Canada, Australia, pretty much the countries that were allies in the World War II. The purpose for its creation was to have bigger security as all of them were obliged to support each other when facing a threat, but also to become a dominant global geopolitical factor and protect the interests of the member nations.
The Soviet Union saw this organization as a direct threat so it rushed into development of as much weapons of mass destruction as possible, including atomic bombs. Apart from the rapid increase in militarization, the Soviet Union also formed organization with the same purposes, the Warsaw Pact, an organization consisted of countries that shared the same socialist ideals as the Soviet Union.
Vladimir Lenin was one of the most important members of the Bolshevik Party. The majority of the Russian Revolution and the need to implement a communist system was the responsibility of the Bolshevik Party. Once the revolution was successful, Lenin was looked to as the leader of the new communist state.
Stalin continued this communist system after Lenin was done being leader. Stalin's central planning system ensured that the Soviet Union's economy was controlled by the government, as well as the media outlets. This was especially true during World War II.
The correct answer would be D) A sense of Adventure by those exploring the New World
Yes, because it's an integer.
I hope this was the answer you were looking for! Peace out! <3