Because
This is the answer because cause and effect words are (because, if, therefore, since, then)
Many school signs are shaped like a schoolhouse
Answer:
Generally, hyphens are used to join two words or parts of words together while avoiding confusion or ambiguity. Consult your dictionary if you are not sure if a hyphen is required in a compound word, but remember that current usage may have shifted since your dictionary was published.
Explanation: