Group of leaders......................
The correct answer for the question that is being presented above is this one: "c. medical knowledge and mathematical systems that are still in use." This statement describes something that Muslim scholars were famous for <span>medical knowledge and mathematical systems that are still in use </span>
Germany kept attacking us with submarines.
Hosea's ministry to the Northern Kingdom lasted:
2. Forty years.
My sources: zionfriedheim.org/biblestudies/Old%20Testament/hosea
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).