Single pane windows are not common in the US in anything built in the last 30 years or so (give or take a few decades). Sliding windows are usually 2 or even 3

Single pane windows are not common in the US in anything built in the last 30 years or so (give or take a few decades). Sliding windows are usually 2 or even 3 pane. Movies use single pane candy "glass" windows so characters can be thrown through them.