why does my Jeep start shaking violently at 45 to 50 MPH when i hit a bump on 1994 Jeep Cherokee

while driving my Jeep Cherokee at 45 to 50 MPH the vehicle starts to shake violently if i hit a small bump or rutt in the road. I must come to a full stop to get it under control again.

Asked by for the 1994 Jeep Cherokee