Which of the following is NOT a consequence of the Mediterranean and the Thessalio-Danubian branches establishing settlements?

(A) The groups began to use animals for labor. (B) Settlers were able to manipulate metals. (C) Wars became more frequent. (D) Settlers had difficulty providing enough food.Explanation: Use POE on this question. Choice (A) describes a technique used by settled groups who began to practice agriculture, a key element of Neolithic humans, so get rid of (A). The Neolithic Era was also known as the Bronze Age, as humans figured out how to combine metals; eliminate (B). Choice (C) is another true statement: The settling of groups led to the creation of land borders and, therefore, conflicts over those borders. Choice (D) is the answer.