Us federal income tax is progressive by law, but which best explains why wealthy individuals can often pay far less in taxes than the top tax rate? a. high-income earners can fight in court for the right to a reduced rate. b. high-income earners reduce their tax rates through numerous deductions. c. high-income earners use tax laws to their advantage to reduce their tax rates. d. high-income earners always place their assets overseas to lower their tax rates.

Which of these describes a social effect of the civil war? a) fields were left unplanted because the slaves had been freed and much of the male population was unavailable to plant or harvest crops. b) over 600,000 men died, mostly because of the lack of food, clean water, and hygienic medical practices. c) after the emancipation proclamation was issued, african americans were allowed to join the union army. d) lincoln’s assassination after the surrender caused a disruption in the rebuilding of the nation.