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
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B. The united states began to build up its military and stockpile weapons. Both the US and the USSR participated in whats known as the arms race where the US collected enough atomic bombs to destroy the earth 25 times.
D . The Federal Government imprisoned Japanese-Americans without due process.
answer is the Roman Catholicism
