Europe had fallen into a state of constant warfare
Sun Yat-sen's Four Point Plan was based on The Principles of the People which were Nationalism, Socialism, and Democracy.
Because world history fits the definition of infamous therefore he did what he did!
Generally speaking, objective historians behave in all of the following ways except that "<span>D. they interpret the evidence according to their personal beliefs and values" since this is not being objective.
Hope i helped! </span>