The was built after the u. s. panama declare its independence from colombia in 1903. u. s. history chapter 18

Panama canal

Explanation:

The Panama canal is an artificial waterway spanning about 82km connecting the Atlantic Ocean with the Pacific Ocean.

President Theodore Roosevelt helped Panama in gaining independence from Colombia in November 1903 and the US was given the right to construct the canal.

answer; /// i do believe that its napolean's conquest of spain;

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.