Answer:
B). Descriptive ethics.
Step-by-step explanation:
As per the given description, the 'descriptive ethics' is the type of field or topic that would describe the 'moral standards or ethical codes of the Colonial America' as such an approach emphasizes on observing the attitudes of people and how they take decisions morally. It also aims to examining the beliefs or notions of the people based on morality and questions their ethical patterns they follow. Therefore, option B i.e. 'descriptive ethics' is the answer.