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Corruption tends to take place at lower levels due to negligence of seniors," he said.



What is the difference between "due to", "owing to", "because of" and "thanks to"? What is the rule of their use?

Thanks
Comments 
There is no real difference except that 'thanks to' is rather casual and/or carries a satirical tone.

Corruption tends to take place at lower levels due to the negligence of seniors.
Corruption tends to take place at lower levels owing to the negligence of seniors.
Corruption tends to take place at lower levels because of the negligence of seniors.
Corruption tends to take place at lower levels thanks to the negligence of seniors.
I don't hear or see "owing to" very much, but I would say that it, "due to" and "because of" can be used interchangeably. I know that some people use "thanks to" in exactly the same situations, but I would rather use it in a positive way. ["Thanks to you, we raised more than enough money to build the hospital."]

We often hear it in a negative sense, as well. ["Did she lose the election?" ~ "Yeah, thanks to you and to all the others who didn't bother to vote."]
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Probably because of my age, I was taught that the only correct usage of "due to" is:

(noun + being verb + "due to")

I think there are only a few of us still allive who observe that usage.

"The tendency for/of corruption to take place at lower levels is due to the negligence of seniors."
Hi,

Corruption tends to take place at lower levels due to the negligence of seniors," he said.

A small and unrelated comment.

The word 'seniors' here suggests to me 'elderly people'.

That does not seem to be the intended meaning. More natural is something like

'. . . due to the negligence of senior management'.

Best wishes, Clive
Thanks, all of you.
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We were always taught at grammar school 'owing to' can be interchanged with 'because of' and 'due to' can be interchanged with 'caused by'. If you insert these alternatives into the sentence then it becomes apparent which is the correct one i.e. makes sence within the sentence.