I can only answer 3 i cant answer 4
Answer:
Due to lack of technology.
Explanation:
It took several centuries before the civilizations of the two hemispheres had communication because of lack of technologies that can make a bridge of communication between two hemisphere. People are not interested in research and having old wrong beliefs that prevent them from growth and development but due to renaissance movement people get rid of false and wrong beliefs and work for the advancement of technology which leads to communication between two hemisphere.
An angel to Joseph when to leave Egypt
Answer:
The ability to obtain and use knowledge and skills.
Explanation:
It's a synonym of Smart, Genuis, and cleverness,
