The correct answer to the question above is that the United States appointed new leaders. When the United States allowed the new leaders, it allowed the new system of government in Japan which lead them following the World War II.
Western Europe 1450-1750 the Roman Catholic church would no longer maintain its unity as a result of the Protestant Reformation ( new sects like Anclicanism,Lutheranism and Calvinism), Wars over religion (30yrs war) would see 1/3 of the population decimated, however reforms of the Catholic church (counter reformation)
Superior manpower, industry, access to trade, finances, leadership, and more.
