Which does not explain why a large part of the great plains became known as the "dust bowl"?
a. the soil of the great plains was too rocky to support farming.
b. farmers did not practice crop rotation.
c. little rain fell for several years.
d. high winds blew away the topsoil on plowed land.

Which best describes alexis de tocqueville

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.