Answer:
the policy of keeping communism from spreading beyond the countries already under its influence. The policy applied to a world divided by the Cold War, a struggle between the United States and the Soviet Union.
The Catholic Churches would often send missionaries, which would go across boundaries and geographical areas to spread Christianity and sometimes even of proselytizing others.(Proselytism is the act of converting to Christianity.)
He wanted to improve relations with China and the Soviet Union.
Out of all of them, Switzerland would be the one that was neutral.