Acouple whose conversation goes like this "i hate that you always leave the car with an empty gas tank" "well, i hate that you always park the car under the tree so it gets bird droppings on it" is engaging in

the correct answer is individualism and exchange. at this stage, children begin to question the rules, because they can see that there is more than one side to them. different individuals have different viewpoints. they won't be able to reach this stage because of ignorance, a lack of ethics or personal biases. that is because people with that characteristiscs are not able to distinguish what is good or what is bad and they can't pursue their individual interests.