What was the primary reason hunter-gatherers kept moving? larger groups moved in and took over territory. food sources became scarce. smaller groups broke off from main groups and moved on. water sources became scarce.

the answer is food sources became scarce so they would always go where there is food

presidency should be the title

explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.