I believe the correct answer is: purgatory.
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Historically, in Roman Christian theology, purgatory represent the beliefs of intermediate state after physical death where an opportunity for purification is offered to eliminate any remaining obstacles to achieve the holiness necessary to enter the joy of heaven and full enjoyment of eternal union with God.
Permanent normal trade relations were established between China and the United States of America where exports from China can enter the country with the same tariffs as other trading partners. By doing this could help contribute to the development of democracy in China.