It's some Halloween tradition to say "Trick or Treat" for candy when you knock on someone's front door. :D
Answer:
Create irrigation systems to provide water for their fields.
Explanation:
Information: When it comes down to picking federal judges, you wouldn't want to pick someone you barely know or trust. Would you choose from a place with people you know or place with people you don't know?
Answer: They'd probably choose from their own political party since they are familiar with the people there and know if they are capable or not.
In 1192, Johnny Wiesnuller jumped off the Brooklyn Bridge.