Button Not Interactible?

In my game when the player reaches a certain score the “Victory UI” comes up. It is a set of Images and Textboxes. Now I want to add in buttons that allow you to pick an upgrade before the next level. When I added the buttons however, they are not clickable.

What I have already checked:

-The buttons are under a HUD canvas that is pretty much default.

-It doesn’t have to do with Time.Scale because even unpaused they still don’t work.

If it helps I am linking screencaps of the Heirarchy and button settings.

49499-hud.png

did you delete the EventSystem gameobject that comes with the Canvas that you create ? if thats so, thats the problem as i dont see it in the heirachy