Which invention do you think had the greatest impact on America in the 1800s: oil drilling, the Bessemer process, or electricity?

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Group formed to protect artisans and increase their profits

What was unification difficult to accomplish in both germany and italy? a.) weaker states we’re attacked by stronger states for control of the emerging nations. b.) major european powers fought to keep independent states under their control. c.) germans and italians did not share common histories and languages.