In North America, long before the coming of maize farming, indigenous populations created the massive earthworks of poverty point in Louisiana, capable of hosting hunter gatherer publics in their thousands.

在北美，早在玉米种植出现之前，土著居民就在路易斯安那州建造了巨大的贫困点土方工程，能够容纳成千上万的狩猎采集者。