During the struggle for italian unification, the “red shirts” were forces made up of
a. anarchists.
b. nationalists.
c. socialists.
d. monarchists.

During the struggle for Italian unification, the “Red Shirts” were forces made up of "B. nationalists," although it should be noted that not all nationalists referred to themselves this way. 

He sailed off course on his way back to greenland and ended up in north america

Asa whitney was the first to advocate for a transcontinental railroad.