Answer:
The correct answer is The homogenous nature of the American population
Explanation:
Probably the most straightforward approach is the claim that the failure of socialism results from the success of American capitalism. Various aspects of the American social order, according to this argument, led workers to identify their interests with the socioeconomic status quo. This, in fact, was the burden of Sombart's own analysis. The economic condition of the workers in the United States was far better than that of the Europeans in terms of wages, housing and diet. Socially, moreover, they were much less distinct from the middle class than their European counterparts. And finally, they were aware of being able to move west if they were not satisfied with their present conditions. The success of capitalism, Sombart believed, made the American worker "a sober and calculating businessman with no ideals." "On the roasts of roast beef and apple pie," he added, "socialist utopias of all kinds are sent to their destruction."
Africa was rich in natural resources. They wanted to establish colonies in Africa to extract them. There were also other reasons such as, nationalism, missionaries and ambition.
It was the incident which expedited U.S involvement in World War 1.