The primary geographical feature that served as a boundary to westward settlement in 1760 was the Appalachian Mountains, since these were very high and treacherous and gave people very little incentive to cross.
Answer:
located near active volcanoes
Explanation:
Hope this helps - Good luck and have a good day ^w
I think the correct answer would be the last option. In this case, spanking was an unconditioned stimulus for Colin's fear. These are stimuli that are natural, automatic and are unconditional that would trigger responses. An example would be when you smell your favorite food, you suddenly feel hunger.
