WOKE LIBERAL GEORGE WASHINGTON IS UNAMERICAN, PASS IT ON
Early Modern Period (~1600 AD)
(media.piefed.social)
the great law of peace was established around 900 CE. english bicameralism was etablished in 1341 CE.
The Iroquois Confederacy is generally accepted to have been established in the 14th or 15th century AD, and possibly as late as the 17th century AD. No source I'm aware of suggests the 9th or 10th century AD.
both had influences on US bicameralism
The suggestion of serious Iroquois influence on the structure of the US government is extremely dubious.