Why were the casualties of World War I greater than previous wars? (two reasons) (pls answer fast i'm doing a test ✋)

In 1819, what did the united states obtain from spain for $5 million?

Which diagram most accurately explains changes in media over time

Select the correct answer. how did powerful families such as the medici and the sforza spread renaissance ideas? a. they provided financial support to young artists and writers. b. they educated the poor children living in their own city-states. c. they constructed schools and colleges to teach the humanities. d. they borrowed money from banks to invite foreign artists to italy. e. they promoted contemporary works over religious works.