1995 Jeep Grand Cherokee steering problems

I was sitting at red light when I was struck from behind by ford passanger van at high rate of speed prior to accident the back seats were down because it was being use in the utility since of the SUV title of the vehicle when I was sruck the reclining seat back collapsed at the same time the back seat began righting itself due to the force of the impact as I was hurled back with no seat back to stop me I struck my head on the rising back seat top a rigid board covered in cloth this defect has caused brain damage…

While driving on the highway, smelled an awful smell, like rotten eggs, pulled over and stopped and then smoke started flowing out from under the hood. It was towed to a dealership, then told axle shaft damaged, all bearings damaged, differential damaged,rack and pinnion (sp) also damaged, coming to $1700 in replacement parts.