Fill in the blank with a suitable Adjective Clause from those given below:-

God helps those _____.

who help themselves.

The correct answer is Option (3) → who help themselves.

So, the completed sentence is:

"God helps those who help themselves."

This is a common proverbial expression implying that individuals who take initiative and make efforts to solve their own problems are more likely to receive assistance or success from a higher power or from others.