During their invasion of the united states in the war of 1812, british forces
a. lost during their attack on maine.
b. won an important victory at baltimore.
c. defended their occupation of detroit.
d. captured and burned washington,
d. c.

The correct answer to this question is letter "c. defended their occupation of detroit." During their invasion of the united states in the war of 1812, british forces defended their occupation of detroit. This is because the british wanted to keep detroit under their hand and care.