They have a scarce amount of money; and lack room to travel with all their possessions. They must what they have left to take care of "travel needs" (e.g. food and gas—(travel supplies)—to move west.
Answer: b) Domesticated plants were used to attract animals that could be domesticated. Explanation: Domestication is the process of getting wild animals or plants to become tame and adaptable for human use.
