Answer:trading with outside partners to bring in surplus food.
building projects ensured their power would not be challenged.
the building of a postal system to increase the economy.
irrigation systems made trade possible because of surplus crops.
Explanation:
<span>Psychologists carefully controlled conditions and measure behavior by c</span><span>onducting research in a laboratory, research methods are all about controlling everything so you can be surer of the cause of any variation you observe.</span>
The last one should be your answer
Question Options:
A. does not understand reversibility
B. does not yet understand conversation
C. has mastered the concept of egocentrism
D. has not yet achieved object permanence.
Answer:In the context of Piaget's theory of cognitive development, Colin's answer suggests that he does not yet understand conversation
Explanation: In this question, what Colin was asked is different from the answer he provided. He was asked if he wanted his sandwich in one piece, or cut into two pieces but he replied that it be kept it in one piece, because he isn't hungry enough to eat two pieces. What this indicates is that he does not yet understand conversation which is what Piaget explained in his theory of cognitive development in the Concrete operational stage this is the stage where the child learns to reason with logic.
Answer:
Forbidden.
Explanation:
When something is forbidden, it is not allowed.
