Final answer:
Documentation of historical events is important for understanding the past and gaining insight from it. Dorthea Lange's photos provided a visual record of the Great Depression and its impact on people's lives.
Step-by-step explanation:
Documentation of historical events is important because it allows us to understand and learn from the past, gain insight into the experiences of different people and cultures, and provide evidence to support our understanding of history. Dorthea Lange's photos were important in documenting history because they captured real-life moments during the Great Depression in the United States, providing a visual record of the conditions and hardships faced by many Americans during that time. Her photos contributed to our understanding of the impact of the Great Depression on individuals and society as a whole.
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