Why were there uprisings in spain portugal and the italian states?

Which factor has played the most important role in changing the way history is studied over time?

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 the new technology can replace outdated, less efficient, machinery.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

How did the economic impacts of the great depression differ in the united states and in the soviet union?