Which u. s. territory became the first state west of the rocky mountains due to its rapid increase in population during the mid-1800s? a. utah b. nevada c. oregon d. california

Oregon became the first state west of the Rocky Mountains due to its rapid increase in population during the mid-1800s.

C.Oregon
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The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.