What was the significance of the plane selections made by the terrorists on 9/11

Why did the 24th amendment and the civil rights act succeed when other legislation had failed?

Which factor was a major cause of the great depression of the 1930?

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.