Because of; normally used with a positive connotation, though it can be used sarcastically.(preposition)
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Use "thanks to" in a sentence
"A special thanks to our production editor, Sybil Pincus, and copy editor, Susan Gamer, who made sure our mistakes did not find their way to the printed page."
"Special thanks to Emily Franklin for all her help."
"Finally, thanks to Mary Cotton, who graciously acted as research assistant for this anthology but who is so much more."