What were the main sources of information that machiavelli used for his book?

According to the map, most mining occurs in the. part of the state

He table below shows the number of immigrants to the united states from different regions of europe between 1871 and 1910

What event involving the maine motivated the united states to go to war with spain? it exploded in cuba. it was hijacked in the philippines. it exploded in panama. it was hijacked in puerto rico.