The heavy snowfall was [because of/due to[ El Niño.
The heavy snowfall was due to El Niño.
The snowfall came [because of/due to] the effects of El Niño.
The snowfall came because of the effects of El Niño.
[Due to/because of/since] the effects of El Niño, the snowfall was heavy.
Due to the effects of El Niño, the snowfall was heavy.
The crash was [because of/due to] the erratic nature of the other driver.
The crash was due to the erratic nature of the other driver.
The crash occurred [because of/due to] the erratic nature of the other driver.
The crash occurred because of the erratic nature of the other driver.
The business failed ... (complete it stating that the cause of its failure was its poor location)
...
The business’s failure was [due to / because of] poor location.
The business’s failure was due to poor location.
Her headache was [because of/due to] the noise coming from upstairs.
Her headache was due to the noise coming from upstairs.
I need an umbrella .... the rain.
I need an umbrella because of/due to the rain.
[Because of / due to] the delay, meals will be provided for free to all passengers.
Both are grammatically correct.
The cancellation was [because of / due to] the rainstorm.
The cancellation was due to the rainstorm.
The event was canceled [due to / because of] the snow.
The event was canceled because of the snow.
The company failed [due to / because of] its financial crisis.
The company failed because of its financial crisis.
The company’s failure was [due to / because of] poor location.
The company’s failure was due to poor location.
She won the competition [because of / because] her excellent strategy in the match.
She won the competition because of her excellent strategy in the match.
