AND KAZOO JIT STOP PLAYIN WIMME
It flows into the Gulf of St. Lawrence, which also flows into the North Atlantic Ocean. :)
I would say the Hittites and the Celts. The Hittites thrived and disbanded before the beginnings of the Roman empire. The Celts were absorbed by the Romans but were keen to follow their ways.
The Mayans met their demise when the Spanish conquered the Mayan with the combination of superior technology and the introduction of foreign diseases. Foreign diseases such as smallpox weakened populations and were thus easier to subdue.