Answer: as the sailers traveled they learned and brought people back and forth. The experiences they had changed them in that they would adopt parts of other cultures and they would spread their ideas.
An example is the use of corn. It was only grown in south America till the travelers came and saw how it fattened up the animals. They took the corn back with them to grow and feed their animals. Some people would eat it for themselves. 
Explanation:
 
        
             
        
        
        
B it is b my friend
You are welcome
        
             
        
        
        
Answer:
The United Arab Emirates includes the rapidly developing, oil-rich sheikhdom known as Dubai.
Explanation:
Dubai is the capital of an emirate with the same name that makes part of the UAE. The UAE is a federation of seven emirates. The ruler of Dubai is the emir Mohammed bin Rashid Al-Maktoum. Dubai has become a global city, and a major aviation and maritime hub. 
 
        
             
        
        
        
Answer:
In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, and ended with the dissolution of the USSR in 1991.