To push the aggregate expenditures schedule upward.
Since this is a timed test I'm pretty sure i'm too late to give the answer but it's C. Hope this helped (although i'm late)
I think it’s the ussr and the us ?
Answer:
The decline of the American buffalo is linked to the development of the Dust Bowl in this passage because:
B Buffalo had helped fertilize the prairie grasses.
Explanation:
To understand this answer we need to analyze the context. First of all the Dust Bowl is the name given to identify the drought in a certain region called the dust bowl. It was composed of regions from Colorado, Texas, New Mexico, Oklahoma, and Kansas. And it happened because of the overexploitation of the environment. The farmers changed the ecosystem by transforming the majority of the land in the zone into agricultural land. Also, they killed the animals in the zone. Including buffalos, which they hunted until they were seen in small groups. Even though these animals helped the ecosystem to be balanced.
