Final answer:
The true statement about secondary sources is that they are typically created after the events they discuss, providing interpretation and analysis rather than firsthand accounts.
Step-by-step explanation:
Out of the statements given, the true statement about secondary sources is: 4) These sources are typically created long after an event and may seem less immediate, exciting, or authentic. Secondary sources are documents or written work that are created after the events they discuss. They often interpret, analyze, or offer commentary on the primary sources and are quite crucial in historical research. Such sources might include books, articles, biographies, documentaries, and retrospective maps, among others. Unlike primary sources, which include firsthand accounts like diaries, letters, and original documents, secondary sources provide interpretations and analyses from scholars or observers analyzing events with the benefit of hindsight.