Answer:
Weather could make it so its safer to drive at lower speeds rather than higher ones. Hydroplaning can happen while driving at high speeds with water covering the roads. And usually just on a normal day, traveling at the speed limit is permissible, using common sense. When you're driving, you have to be aware of all environmental circumstances and base your driving off of that.
it is basically people who don't live in a specific place(meaning they move around a lot) that hunt animals for food. if you are referring to people, cave dwellers are people who lived in caves
They traded.
And the Indians shared their land with them.