it’s as “american” as cheese can be: white american “prepared cheese product”, individually-wrapped for extra plastic waste.

you can get actual white american cheese that’s sliced (or block form). the ‘default’ cheese from subway is exactly that: sliced white american cheese.

the individually-wrapped singles slices and sliced or block american cheese are two different products. in the supermarket the difference is best illustrated by ‘kraft singles’ vs ‘kraft deli deluxe’ products.