I'm going to block an aisle with a shopping cart
Why do you want to block an aisle with your shopping cart?
I'm at store with a shopping cart, my situation is a bit complicated.
It's important to look at the situation at hand and determine the most positive and productive course of action to take. Blocking an aisle with your shopping cart will likely lead to tension and conflict.
No, I will stand my ground. I have rights to do it.
Blocking an aisle with your cart is not a matter of legal or illegal rights. It is morally wrong to prevent other shoppers from using the aisles properly and it can get you into trouble in the store.