China's ascent to prominence as a geopolitical and economic force is one of the most significant changes in the world in recent decades. The global economic, political, and security scene has changed due to China's rise to prominence in the last quarter of the 20th century and the first decades of the 21st. Recent patterns, however, indicate that this rise might be slowing and even reversing in some ways. China's economic downturn, demographic and sociological troubles, environmental constraints, governance problems, and the changing geopolitical landscape that may mark the end of China's growth are all caused by various factors....