Final answer:
To support arguments/thesis statement in a 'Document-Based Question' project in Social Studies, students should use primary sources as they provide firsthand accounts and original insights into the historical events or topics being studied.
Step-by-step explanation:
When responding to a 'Document-Based Question' project in Social Studies, it is important to use primary sources to support your arguments and thesis statement. Primary sources are firsthand accounts or original documents from the time period being studied. They provide direct evidence and insights into the historical events or topics under investigation. Examples of primary sources include letters, diaries, speeches, photographs, and government documents.
Learn more about Use of primary source in a Document-Based Question project in Social Studies