Verbal problem from Verbal exercises of GregMat. What's the correct answer?

I got the answer is easing and advancing, but why not sanction and approve?

Why do you think that is the answer?

What do you think is the answer and why?

We would much prefer you give your reasoning for the answer you chose, even if it’s faulty or incorrect. That way, we can correct any issues in your understanding and is what we prefer.