Ancient enemy built big neighborhood in Mayan city

Researchers discovered that hills near Takal are actually ruins of foreign buildings, resembling the architecture of Teoti Wakan, a powerful ancient city near modern-day Mexico City. This suggests a significant influence of Teoti Wakan on the Mayans, with the two cultures coexisting peacefully for centuries until Teoti Wakan conquered Takal in 378 CE.

What was the significance of Teoti Wakan in relation to the Mayans?

What does the existence of the neighborhood of Teoti Wakan suggest about the relationship between the two cultures?