.Please someone help on both of these questions.

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.

What country gained its independence from france shortly after the french revolution as a result of a slave rebellion

Consider two major achievements made in china - shi huangdi’s expansion of the great wall and wudi’s opening up the silk road. how did each affect china’s relationship with the outside world?