[MasterGunner01]

They might understand one another, as you've noted, but there is one huge exception: Brazil. Brazilians speak Portuguese. Many Americans think Brazilians speak Spanish.

[Kenny Bunk]

Many Americans think Brazilians speak Spanish.

No surprise there. Many Americans cannot name their Congressional Representative, nor the capital of their state. Oddly enough, apparently many could tell you within a MM the size of a Kardashian posterior.