reason
reason (razón)
a statement that explains why a claim should be accepted; evidence then backs up the reason.
Example
The city should add bus lanes because they would cut commute times. (The reason comes after because.)
In Spanish
reason (razón) — una idea que explica por qué se debe aceptar una afirmación; luego la evidencia respalda esa razón.
The city should add bus lanes because they would cut commute times. (La razón viene después de because.)