Look through your textbook/papers and try to find some of the contributions in architecture, language, and religion. I'll give you one: The Latin Language.
Hope I helped!
what was the contribution of the romans?
2 answers
Also check these sites.
http://www.springfield.k12.il.us/schools/southeast/pprojects/Group%202/%20text/Jared%20Stevens-text%20for%20website/romancontributions.htm
http://wiki.answers.com/Q/What_were_some_contributions_of_Ancient_Rome_and_Ancient_Greece
http://www.springfield.k12.il.us/schools/southeast/pprojects/Group%202/%20text/Jared%20Stevens-text%20for%20website/romancontributions.htm
http://wiki.answers.com/Q/What_were_some_contributions_of_Ancient_Rome_and_Ancient_Greece