The reasons art these: 1. they created a structured system of state and federal courts. 2. made available the basic means of collecting taxes and producing money. 3. they find solutions to the boundary disputes with Great Britain and Spain. 4. they created a structured way for settling and ruling the western territories.
To look at it purely from ideological view, communism is the total opposite of capitalism. They thought that communism was an extremely dangerous ideology.
Japan began its invasion of China in 1931. The Japanese military had their way over the armed forces of China, and occupied parts of China important to their war aims.
