Debido a vs. a causa de vs. por vs. gracias a vs. por culpa de

In Spanish, there are several words and phrases that can be used to express 'because of' or 'due to'. These include 'debido a', 'a causa de', 'por', 'gracias a', and 'por culpa de'. Each carries a slightly different nuance and usage.

Debido a

'Debido a' means 'due to' and is typically used in formal contexts. It often implies causality with a neutral or slightly formal tone.
La fiesta fue cancelada debido a la lluvia.
(The party was canceled due to the rain.)
El vuelo se retrasó debido a problemas técnicos.
(The flight was delayed due to technical problems.)

A causa de

'A causa de' translates to 'because of' and is used to indicate the cause of something, often with a neutral tone. It's similar to 'debido a' but slightly less formal.
Llegué tarde a la reunión a causa del tráfico.
(I arrived late to the meeting because of the traffic.)
El proyecto fue detenido a causa de la falta de fondos.
(The project was halted because of the lack of funds.)

Por

'Por' can mean 'because of' and is very versatile, used in both formal and informal contexts. It tends to indicate direct causation.
No pude dormir por el ruido.
(I couldn't sleep because of the noise.)
Se fue por problemas personales.
(He left because of personal problems.)

Gracias a

'Gracias a' means 'thanks to' and is used when the cause has a positive connotation or outcome.
Terminé el trabajo antes gracias a tu ayuda.
(I finished the work earlier thanks to your help.)
Pudimos viajar gracias al descuento en boletos.
(We were able to travel thanks to the ticket discount.)

Por culpa de

'Por culpa de' translates as 'because of' or 'due to', but it carries a negative connotation, implying blame or fault.
Llegamos tarde por culpa del tráfico.
(We arrived late because of the traffic.)
Perdí mi vuelo por culpa de un error en la reserva.
(I missed my flight because of an error in the booking.)

Summary

In summary, while all these phrases can mean 'because of' or 'due to', they carry different tones and contexts. Use ‘debido a’ for formal situations, ‘a causa de’ for neutral cause indication, ‘por’ for versatile context, ‘gracias a’ for positive outcomes, and ‘por culpa de’ when implying blame or negative consequences.