How had the population makeup of united states changed in the united states from 1776-1870

US Population in 1770 = 2,148,100
US Population in 1870 = 38,558,371

Exciting times and promise of employment gave many immigrants reason to come to the US. One major thing that was important at that time was the Gold Rush, if you need an example.

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.