In which case did the supreme court rule that congress had the sole power to regulate interstate commerce?

Gibbons v. Ogden, 22 U.S. 1 (1824), was a landmark decision in which the Supreme Court of the United States held that the power to regulate interstate commerce, granted to Congress by the Commerce Clause of the United States Constitution, encompassed the power to regulate navigation.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.