I have to do a project and I looked everywhere online I have to right 3 causes of the mongol rule, 5 historical accounts and 3 effects any one can help? Please do=]

The following site may be of help to you. I hope that it is.

East Meets West: Crusades and Mongol Invasions (http://www.uwgb.edu/dutchs/WestTech/eastwest.htm)