When republicans chose ulysses s. grant as their presidential candidate in the election of 1868, democrats chose
a. andrew johnson.
c. samuel tilden.
b. horatio seymour.
d. rutherford
b. hayes.

The answer is:

b. Horatio Seymour.

Held on Tuesday, November 3, 1868, the 21st presidential elections in the United States were won by Ulysses S. Grant, defeating Horatio Seymour by an electoral margin of 214-80.

d) post-world war i

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.