What issue was behind the question of the expansion of slavery after the mexican war

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 the new technology can replace outdated, less efficient, machinery.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.

Why was lee unable to escape from appomattox? he didnt not have the needed supplies grant had him surrounded davis had ordered him to surrender he was waiting for johnston to bring reinforcements

Why did the outbreak of world war 2 create a need for new military bases across the country?