1997 jeep cherokee sport

I have a 1997 Jeep Cherokee Sport SE, 4 door, 4.0L v6 It won't start, it'll turn over but that's it. I just bought a brand new battery and it still won't work so that's not the problem. It worked fine the day before but I went to turn it on in the morning and it wouldn't start. And my Jeep is...