Question

what are important ideas about law and government of rome i got builing streets

Answer 1

Thanks for clarifying your question. Building streets is one accomplishment that the ancient Roman government accomplished.

You might want to check your book for important ideas about the Roman republic and the Twelve Tables.

Answer 2

Here are some sites that may help:

http://en.wikipedia.org/wiki/Roman_republic

http://en.wikipedia.org/wiki/Local_government_%28ancient_Roman%29

http://en.wikipedia.org/wiki/Twelve_tables

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