Family Dollar complaint: Discrimation on my race deny my service

So long story short family dollar around my house never had a prob there so i go shop 4 my house stuff it was kinda a lot soap downey blender food etc so im in line no one there this guy tryna pay too almost same time as me so i let em pass cashier slow so now there’s ppl behind me right so im next put my stuff in the counter she asks me u mind if i ring em up 1st so i can close cash registers after u im like im sorry im in a hurry n kids waiting on me the EMPLOYEES leaves me there n rings up other ppl then i come OUT took a deep breath cuz i needed my stuff to wash so i pay now the security don’t let me take out the car which i always do n. Bring it back talking smack the manager that night hollered at him n shes like oh she can bring it out so after that i felt so bad got a dr appointment monday got subscribed w anxiety pills now 4 people calling me a racist broke etc. To top it off im 11 weeks pregnant almost had a miscarriage that day been bothered. SO IM GOING TO FILE A DISCRIMINATION LAW SUIT!!!!!