What happens when you don't put oil in car?

I drove around town maybe about 15mi. Once I got to my destination i turned my car off. Once i got back in the car to start it up when i go to turn the key the car would make a click sound. I put one qujart of oil in the car but once i attempted to start the car it did the same thing. the battery also died, im ... show more I drove around town maybe about 15mi. Once I got to my destination i turned my car off. Once i got back in the car to start it up when i go to turn the key the car would make a click sound. I put one qujart of oil in the car but once i attempted to start the car it did the same thing. the battery also died, im thinking it have to be more of a battery issue because the engine did not smoke or anything
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