What are the "these" you speak of?
Calvary mounted archers that could attack fast and raid settlements quickly
Belgium Belgium Netherlands Switzerland and most of Western Germany
Answer:
Olmec Cities:
1200 BCE significant urban centres developed at San Lorenzo (the earliest), La Venta, Laguna de los Cerros, Tres Zapotes and Las Limas. San Lorenzo reached its peak of prosperity and influence between 1200 and 900 BCE when its strategic position safe from flooding allowed it to control local trade.
