The Pax Romana happened under Augustus' rule.
While the perpetrator still remains unknown, the US blamed Spain for the explosion, as relations between the two countries were strained over how Spain was mistreating it's colonies in Cuba. This led to the Spanish-American War, which was a US victory that led to the takeover of the Philippines and Cuba from Spain.
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Answer: Sale and export of slaves to Louisiana.
Explanation: European explorers influenced the development of Louisiana starting with the massive importation of slaves to work in sugar cane plantations, which was very low, sufficient reasons for the purchase of more slaves to explorers, thus achieving in this way that production will increase and lead to the economic development of this territory.
2. they believed that American Indians from the territory would soon attack the united States
