Gravitty is from the moon and it makes rain and snow fall
I think you've missed a word; do you mean: explain why do presidents think that military is important.
Military is important for security, and without the military a country can't defend itself: see the attack on Pearl Harbor.
With a strong army the president has more power and cannot be threatened by other countries.
Answer: 1. they Are the top of the line judges
2. they decided if laws are unconstitutional or if they are
3. they can not say a law is unconstitutional unless somebody sues.
Explanation:
the constitution says so