How Did the Impact of the Napoleonic War Impact Brazil

How did the impact of the Napoleonic War impact Brazil differently than in other parts of Latin America?

A) The Portuguese monarchy moved across the ocean to Brazil while Portugal was under occupation.
B) Napoleon sent troops to Brazil to liberate it from Portugal.
C) The Portugeuse King gave Brazil independence to avoid it falling into Napoleon's hands.
D) The United States invoked the Monroe Doctrine to block France from sending troops to put down the independence movement.