Answer:
The construction of the trans-Mississippi West was the answer from the federal government to the claims of the native tribes of the western territories.
Step-by-step explanation:
The construction of the trans-Mississippi West was the answer from the federal government to the claims of the native tribes of the western territories. With the development of this project, the government intended that the population settled in that territory and have their support the beginning of a prosperous life through the transcontinental railroad that assured them progress for the region.