Identify the type of clause in the sentence: "The team celebratedbecause they won the championship."

"The team celebrated because they won the championship." - Adverbial clause. 
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• Adverbial clause:
- যে subordinate clause একটি বাক্যে একটি adverb হিসেবে কাজ করে এবং একটি verb,বা একটি adjective-clause বা অন্য একটি adverbial clause-কে modify করে তাকে Adverbial Clause বলে।
 - Adverb এর মত এরা - time, place, cause, effect, purpose ইত্যাদি বুঝায়।
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Adverbial clause ৮ প্রকার। যথা:

1. Adverb clause of time.
→ Before she got home, she called and ordered a pizza.

2. Adverb clause of place.
→ They drove beyond where the city ends. 

3. Adverb clause of reason or cause.
→ We adopted these two cats because they are a bonded pair. 

4. Adverb clause of purpose.
→ We studied all night so we would pass the exam.

5. Adverb clause of condition or supposition. 
→ We’ll be sitting in the conference room until they tell us to leave. 

6. Adverb clause of concession.
→ Despite how I had good intentions, the interaction went wrong.

7. Adverb clause of degree or comparison. 
→ We expected the afternoon class to perform better on the test than the morning class did. 

8. Adverb clause of manner.
→ She addressed the crowd as she had practiced in the mirror.

Source: A Passage to the English Language by S.M. Zakir Hussain.