1. climate change 

 2. they have to work together but other people don't. 

3.) they had a council decide who would be a leader. 

4.) ogedi kahn 

mongke 

kubai kahn 

mamluks 

5.

 1. cross eurasian trade 

2. mailing and bronze passports

3. traded foods for example rice,etc.

4. they like art and music mostly the people who made them

5.they had more than one religion