Which of the following championed nationalism and denounced nullification?
a. john c. calhoun
b. henry clay
c. andrew jackson
d. daniel webster

Daniel Webster ( D )

Explanation:

Daniel Webster was born 1782 and he was a congressman representing new Hampshire and Massachusetts. he  also served as a secretary of state in the government of William Henry Harrison, John Tyler and Millard Fillmore.

Daniel Webster was very popular for his role in championing/supporting the federal government roles in the governance of the American people. he was a very great Orator and people listened to him so he was able to push forward the cause of Nationalism and denounced Nullification. Daniel Webster was a very active lawyer during his days as well.

Daniel Webster died October 24 1852 in Massachusetts

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .