How did the increased production of war materials during World War II impact the United States' economy? O The increased jobs caused the economy to boom.
O The increased jobs caused unemployment levels to increase.
O The taxes spent on war materials put the nation in debt.
O The use of machines for production weakened the economy.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.

d is the right answer