It was necessary to stop the Nazis being able to gain the deuterium oxide from hard water which could be used to create Nuclear weapons. I agree, as from what we seen how fast and destructive the force was against Japan. If the Nazis gained these weapons Britian would have defenitly been destroyed as well as Russia, meaning the only threat would be America who would be out numberd by a lot.
She helped many enslaved people escape the south
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!!