An example of a policy to buttress one's position would be: the spanish granting large tracts of land in texas to american settlers the missouri compromise stephen austin settling in missouri

It turns into vapor and goes into the atmosphere

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.

The answer will be a