What was the most decisive Civil War battle in Indian Territory?

A: Cabin Creek
B: Honey Springs
C: Pea Ridge
D: Perryville

B: Honey Springs

The Battle of Honey Springs, fought on July 17, 1863, was the most decisive Civil War battle in Indian Territory (present-day Oklahoma). It was a Union victory that prevented the Confederates from gaining control of Indian Territory and secured the north-south corridor for the Union to supply their forces further south.