How did the u. s. constitution make the u. s. differ from other governments?
short and sweet would be great.

Ok one it was meant to be a flexible document to allow for longevity. It included the bill of rights that guaranteed rights to all citizens. Plus it was the first document to set up a democratically based government. 

Iwould pick a true

Assemblies do not have written codes of laws. laws are matters for magistrates and courts, not assemblies. codes of law are things such as civil law, criminal law, and constitutional law. what assemblies have are procedures regarding debating, voting and other business they might carry out.  also note that rome had three assemblies: the assembly of the soldiers, the assembly of the tribes, and the plebeian councils.