How did the mongols affect communication and trade between east and west

Compare and contrast the treatment of different religions by rulers of the arab empire as soon as you can with i've been working on this test for like an hour and a half and i'm super stressed : (

Which areas where seperated by the iron curtain

The methods of handling businesses and industries that conduct business around the world is known as a. globalization. b. socialism c. privatization. d. migration