Answer:
In the times of Renaissance, the amount of knowledge was incomparably smaller than in our times. Nobody can master all the contemporary knowledge today; nobody can a be a great mathematician, physicist, doctor, astronomer and an artist at the same time. Human knowledge is so vast that you can only specialize in one area, and even so, it is difficult.
Explanation:
Muhammad was in a cave in the mountains, and he was meditating when Gabriel came to him.
The challenges that the nation faced after the Civil War was money
Very nationalistic, pro millitary, racist, expansionist
