Answer:
The biggest changes were in rigging. At first they concentrated on lateen sails, then added a mix of square sails and lateen for deeper penetration into the South Atlantic, with further changes for the much longer route round the Cape. Knowledge of these techniques was protected by forbidding sales of ships to other countries. A third commercial advantage was Portugal's ability to absorb “new Christians” — Jewish merchants and scholars had played a significant role during Muslim rule.
Hope this helps! If so please mark brainliest and rate/heart to help my account if it did!!
The answer is A. Right of life,liberty, and property
Answer: For oil
Explanation: The Osage Indian Reservation was located in oklahoma. In the Osage Reservation, there was a lot of oil and the indians were allowed to keep the profits. They became very wealthy. The Indians were murdered because of greedy citizens.