during the construction of the transcontinental railroad in the united states,

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.

Which major change took place in nigeria in 1999?

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?