Why was the confederacy interested in indian territory during the civil war? i. it had a large supply of livestock. ii. it could serve as a buffer zone to protect texas. iii. it would supply the south with lead for bullets and weaponry. iv. it would connect the south to present-day new mexico, arizona, and california. a. i and iii only b. ii and iv only c. i, ii, and iv only d. i, ii, iii, and iv