<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "ocean navigation", since these societies usually stayed where they were due to the fact that they had a surplus of food. </span></span>
Answer: North and South Korea have been divided for more than 70 years, ever since the Korean Peninsula became an unexpected casualty of the escalating Cold War between two rival superpowers: the Soviet Union and the United States.
