Which sentence best describes a flat tax?
a flat tax taxes all taxpayers at the same percentage.
a flat tax taxes wealthier taxpayers at a higher rate.
a flat tax results in poorer taxpayers paying no taxes.
a flat tax prevents tax rates from rising over time.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.