How did the work of early 20th-century photojournalists, such as those documenting the Great Depression, impact social reform movements and public awareness?
In what ways did photographers during the American Civil War (1861–1865) influence public perception of the war, and who were some of the prominent photographers of that era?
How did the advent of the daguerreotype process in 1839 revolutionize the way people captured and perceived images, and what were its major limitations compared to later photographic techniques?
5. **What role did governmental and academic institutions play in preserving and archiving historical photographs, and how have these efforts affected contemporary understanding of history?
3. **In what ways did the work of pioneering photographers like Mathew Brady and Julia Margaret Cameron shape the public's perception of photography as both an art form and a documentary medium?
2. **How did historical events, such as wars and political movements, influence the development and usage of photography in the 19th and early 20th centuries?