The dust bowl was a sever drought caused by fluctuations in ocean temperatures. Other factors that contributed to the affect it had on the Midwest was the dry climate and their use of poor farming techniques.
The correct answer to this open question is the following.
Although there no options attached or any specific reading, we can say the following.
The key ideals and provisions of the tribal treaties of this era (such as the Point No Point Treaty), were the displacement of the Native American Indians tribes from their territories to support white settlement, as was the case of the Point No Point Treaty that was signed on January 26, 1855.
Let'set this case as an example. Isaac Stevens was the Governor of the Washington territory. He wanted the land of the Kitsap Peninsula. So he had to negotiate a deal with three different tribes; the Skokomish, the S'Klallam, and the Chimakum. The Native American Indian tribe's leaders expressed their concerns and were reluctant to accept. Stevens had to give them a reservation with fishing and hunting rights, where they could grow crops and live with their families, in exchange for that Kitsap territory.
Allowed wage competition for laborers.
Just took the test
The answer is A the duma was established