Why rear of the car wiggles after replacing rear shocks?

"@aboodred1

if it did not do the shaking and wiggling before you replaced the shocks, check your suspension parts. Make sure that everything is aligned and properly mounted. Double check your work. Do not forget to check your tires. If you had bad shocks, your tires may actually have gotten worn down and may need replacement. This should help you to check your suspension REAR-SUSPENSION.pdf"