How have America's demographics changed over the past century and what accounts for this
change?

The television had many impacts after it's invention. which of the following describes impacts of television? -brought people together -allowed people to see others-people saw america as the land of plenty- all the above

Many blacks moved from the south to northern cities during world war li looking for employment. after the war, a number of them lost their jobs. why did this happen?

Unique among the rulers of this time, persian emperors installed governors in their provinces tolerated local cultures and laws wielded absolute power maintained an extensive army