Final answer:
A textbook's credibility for historical information can be affirmed if it offers a balanced perspective and utilizes primary sources; however, it can be compromised by the lack of diverse viewpoints or biased content. Features aiding historical thinking within the text contribute to its reliability and usefulness for educational purposes.Option A & C are the correct answers.
Step-by-step explanation:
A textbook can be a credible source for historical information depending on certain factors, such as the range of perspectives it includes, its use of primary sources, and whether the information is up-to-date and well-referenced. The credibility of a textbook is enhanced if it provides a balanced perspective and supports its narrative with primary sources. However, a lack of diverse viewpoints or the presence of biased information can undermine its reliability.
Features like 'In Their Own Words', 'Dueling Voices', and 'Beyond the Book' can help students engage with the material in a deeper and more critical way, encouraging historical thinking. Meanwhile, 'The Past Meets the Present' and 'Link to Learning' show the relevancy of historical studies to modern issues and provide further resources for exploration. Determining whether a source is credible can often depend on the purpose of the research and what the source is being used for. Even biased sources can be useful for certain types of analysis.