Primary Source: Primary sources are original documents or artifacts that provide direct evidence or firsthand accounts of events. They can include diaries, letters, photographs, speeches, etc.
Historical Bias: Historical bias refers to the tendency for historical accounts to be influenced by personal perspectives or preferences. This can affect how events are described and interpreted.
Secondary Sources: Secondary sources are works that analyze or interpret primary sources. They are created after the time period being studied and often provide different viewpoints on historical events based on various primary sources.