Can state laws override federal laws

Small plane just crashed in your neighborhood. you take a fire extinguisher and blankets to the scene, then stand back and silently gather with others on the scene when you realize there is nothing you can do to . in this situation, gathering quietly with others out of reverence and respect is an example of coping.

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?

How did geographical features create a civilization in china