This was the time when Islam started spreading through Africa and those who resisted it and fought wars against Islamic conquerors would be enslaved and sold. Europeans also started participating in this slave trade and would buy numerous slaves from the Arabs who would enslave their prisoners of war and who often traded with Europeans.
Answer: (A) probably
Explanation:
Submarines and mines were an inexpensive and better way to engage battleships.
On this day in 1982, President Ronald Reagan declared illicit drugs to be a threat to U.S. national security.
Richard M. Nixon, the president who popularized the term “war on drugs,” first used the words in 1971. However, the policies that his administration implemented as part of the Comprehensive Drug Abuse Prevention and Control Act of 1970 dated to Woodrow Wilson’s presidency and the Harrison Narcotics Tax Act of 1914. This was followed by the creation of the Federal Bureau of Narcotics in 1930.
Salt and gold... popular trade items
The answer is 3) Other nations saw that Spain could be beaten and they challenged Spanish land claims.
Until this defeat, Spain and particularly its armada were seen as practically invincible, so other nations generally obeyed Spain and didn't stand up against it. However, once it was beaten (and their powerful armada practically destroyed), their place of power was reduced).