Global environment:

Politics

US:The center of US politics is votes from citizens.Two parties fights for vote, so they will do what in favor of voter to win more votes. Voters want higher income, equal right, freedom, peaceful society, address the most influenced problem , lead people and show people the right direction to make US great again. Trump took the advantage of working-class citizens want boost their income and won votes.Biden took advantage of middle class people want a peaceful society and beat Trump. The current main concerns forUS voters are threatens from Russia and China, and high inflations. Who can solve these problems may win the next election.
China:The center of China politics is to maintain current governing structure in China. Current governing structure is citizen monoply structure.Citizen vote for representitive and then vote for Chairmen and Prime Minister. China has very long history. Chinese citizen's focus are on be officer.