Why Has the Substantial Economic Growth in the United States

Why has the substantial economic growth in the United States in the last three decades not improved the circumstances of the poor?

A) Public policy has prioritized low wages, loosened regulations, and corporate success.
B) Circumstances of the poor were improved until the economic recession in 2008.
C) American are not trying to take advantage of the opportunities that economic growth provides.
D) There has not been substantial growth; the U.S has seen economic decline in the last three decades.