<Ul> <Li> Spanish conquest of the Aztec Empire </Li> <Li> Spanish conquest of Guatemala </Li> <Li> Spanish conquest of Yucatán </Li> <Li> Spanish conquest of Petén </Li> <Li> Spanish conquest of the Maya </Li> <Li> Columbian Exchange </Li> <Li> History of the Philippines (1521--1898) </Li> <Li> Piracy in the Caribbean </Li> <Li> Spanish missions in the Americas </Li> <Li> Queen Anne's War </Li> <Li> Bourbon Reforms </Li> <Li> Spanish--Moro conflict </Li> <Li> Spanish American wars of independence </Li> <Li> Casta </Li> </Ul> <Li> Spanish conquest of the Aztec Empire </Li> <Li> Spanish conquest of Guatemala </Li> <Li> Spanish conquest of Yucatán </Li>

How many spanish missions are there in the united states