I would say Spain and Portugal. They were both the colonial powers which own the majority of Latin American countries. Their influence is language, food, and religion.
The answer that fits the blank is this: THE WAR OF 1812. It was the War of 1812 that became the reason of the disappearance of the federalist party forever. This war was a dispute between the United States and the United Kingdom and ended until the year 1815.
Explanation:
Abraham Lincoln or the union
The Constitution recognized natural rights. Hope this helps.