Your data would be better.
The reason is because the data you have made depending on where you sourced or measured your data it's most likely going to be more reputable then your friends but it's good to compare data sets if you are both working on the same thing.
Answer:
Nomads invaded Sumerian city-states.
Explanation:
hope you pass your test i sure did
not sure but i think its because he didnt want to do it himself dont @me tho
Answer:
Germany
Explanation:
Otto unified Germany & Prussia.
