I think B is the best answer but I am not sure and I apologize beforehand if it is the incorrect answer.
<span>Panic of 1873
The economic recession of 1873 diverted the northerners focus to the financial issues impacting the growth of the Second Industrial Revolution and the growing farmer population in the West. Northerners wanted the government to focus on the industrial progress taking place and the growing concerns over political and economic corruption occurring within urban areas. </span>
World War II is generally said to have begun on 1 September 1939, with the invasion of Poland by Germany and subsequent declarations of war on Germany by France and the United Kingdom. ... On 22 June 1941, the European Axis powers launched an invasion of the Soviet Union, opening the largest land theatre of war in history.
When compared to all other groups, Native Americans were the largest contributors per capita to the armed forces with over 10 percent of the population and a third of the able bodied men between ages 18 and 50 serving during this war. Some tribes had as much as 70 percent participation in the war effort.
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