The transcontinental railroad was completed in
a. 1861.
b. 1840.
c. 1869.
d. 1901.

The correct answer is C. The Transcontinental Railroad was completed in 1869.

Explanation:

The Transcontinental Railroad was completed with the famous Golden Spike ceremony held on May 10, 1869 in Promontory, Utah, creating a nationwide mechanized transportation network that revolutionized the population and economy of the American West, as it connected Nebraska with California.

codfish influenced the yankee trade because they traded it with the americans and the americans traded livestock, molasses and stuff that they can make clothes out of (like wool, and leather). they also could make weapons to.

i really really really really really really dont know