The US economy started booming in the 1920s because WWI was just ended/coming to a close and all of the money that was spent on war supplies made companies and workers richer as well the war debt and damage of our alies needing supplies that we gave giving us even more money and prosperity.
Loook it up it should be on google
The Iroquois Confederacy, an association of six linguistically related tribes in the northeastern woodlands, was a sophisticated society of some 5,500 people when the first white explorers encountered it at the beginning of the seventeenth century. The 1990 Census counted 49,038 Iroquois living in the United States, making them the country's eighth most populous Native American group. Although Iroquoian tribes own seven reservations in New York state and one in Wisconsin, the majority of the people live off the reservations. An additional 5,000 Iroquois reside in Canada, where there are two Iroquoian reservations. The people are not averse to adopting new technology when it is beneficial, but they want to maintain their own traditional identity.
Switch out the soil with more fertile soil
Because of the superior number of Asian armies, European was at disadvantage in fighting inland.Small islands including <u><em>Java</em></u> and those in mainland southeast Asia were also able to resist the Europeans. Realizing their position within Asia, they became submissive, in which they accepted the power of Asian rulers and kowtowed to them in order to be accepted for trade.
