lacausa

Nadie sabe la causa del accidente.

Nobody knows the cause of the accident.

Lucha por una buena causa.

He fights for a good cause.

El vuelo se retrasó a causa del mal tiempo.

The flight was delayed because of the bad weather.

Murió a causa de una larga enfermedad pulmonar.

He died as a result of a long lung illness.

Donaron mucho dinero a una buena causa social.

They donated a lot of money to a good social cause.

Nadie sabe la causa real del problema en el coche.

Nobody knows the real cause of the problem with the car.