Do you believe that the United States’ decision to expand westward was right or wrong?

Explanation is in the file

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Good

Explanation:

Westward expansion helped the economy by land, mining, and improved transportation by rail brought settlers to the American West during the Gilded Age.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

c. free trade can lead to low pay for workers in poorer countries.