Final answer:
David Farragut's victory in April 1862 was important because it protected the Union capital from a Confederate takeover.
Step-by-step explanation:
Admiral David Farragut's victory in April 1862 was important because it protected the Union capital from a Confederate takeover. By successfully fighting his way past the forts that guarded New Orleans, Farragut ensured that the Confederacy could not seize control of the city and threaten the Union capital. This victory was a turning point in the war and boosted morale for the Union.