This ruler was one of russia’s most powerful czars. a. frederick the great c. catherine the great b. peter the great d. maria theresa

How do you know ? what does verne have his characters say and/or that reveal that attitude ?

The factory system of the early-19th century caused a) a decrease in farm production. b) an increase in rural population. c) an increase in urban population. d) high unemployment in other areas.

Clara barton was the first nurse in the united states of america. true or false?