Article i, section 8 of the constitution lists of congress.

the implied powers

the delegated powers

the expressed powers

the legislative powers

The correct answer that will complete the sentence is the third choice, expressed powers. This is where the congress expressed power lies in which is at the article 1, section 8. This is where legislative branch were granted authority by the constitution in which are both domestic and even foreign, in regards to American national policy.

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.