most world historians would agree that the key to european predominance in the world economy during the nineteenth and early twentieth centuries was:

Thats not a question. what do you want me to do?

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.

Im migration prohibition.