What was the name given to the National rebels in Southern Italy, led by Giuseppe Garibaldi, that helped to unite southern Italy and
Sardinia?

Red shirts.

Explanation:

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation

that would be the steamboat because none of the other things are forms of transportation