Answer:
Political reformism offered some of the earliest signals for a progressive movement generally and for sustained reform through the presidencies of Theodore Roosevelt and Woodrow Wilson. Progressive reformers began to shed Victorian ideas about society, including some of the trappings of Social Darwinism.
Explanation:
Probably B because A and C and D are wrong
It was an opportunity to win respect from the whites. A black male who owned a farm would often be drafted before a white male who owned a farm. Blacks were only 10% of the population but 13% of recruits.
The stalemate continued for so long in World War I because of technological advancement, new types of warfare, new types of weapons, incompetent generals, and the similarity of strength of both sides. These reasons contributed to the long stalemate and long bloodshed between Central and Allied Powers.