D. Castiglione
Cesare Borgia was the Son of the Pope and Cosimo de Medici's family ruled Florence, so neither have anything to do with the royal family of Mantua. Machiavelli wrote the Prince, so that is not the correct answer either. Castiglione was part of the Royal family of Mantua and did write the Book of the Courtier. So D is the correct answer.
The land bridge over the Bering Strait was able to form due to low sea levels and an accumulation of ice buildup on the continents.
The difference between the first two parties are that the federalists wanted change and the ant-federlists did not.
one of the federlists was Thomas Jefferson.
one of the ani-federlists was Alexander Hamilton
Not sure that your question makes sense! Mind revising it so we can help?
If you are talking about the Aztecs that the answer would be pipiltin