I think your best shot is probably choice A
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.
Merchants and traders who travel along these routes must stop at oases to replenish food and water supplies and this means that whoever controls an oasis also controls the trade along the route—making oases desirable to political, economic, and military leaders.
