英语,有句话的结构我不是很懂,

题目

英语,有句话的结构我不是很懂,
Pastoralism is a lifestyle in which economic activity is based primarily on livestock.Archaeological evidence suggests that by 3000 B.C.,and perhaps even earlier,there had emerged on the steppes of Inner Eurasia the distinctive types of pastoralism that were to dominate the region's history for several millennia.
我不懂得是 there had emerged on the steppes of Inner Eurasia the distinctive types of pastoralism that were to dominate the region's history for several millennia.
是倒装么?还是?
如果是倒装，there 是什么部分？

答案

there had emerged / on the steppes of Inner Eurasia / the distinctive types of pastoralism that were to dominate the region's history for several millennia.这里是把 on the steppes of Inner Eurasia 这...