Explain the impact of photography on art

Explain the impact of photography on art

1. Explain the impact of photography on art, immediately after its invention in the nineteenth-century. 
2. Address the change brought forward by the invention of photography on traditional forms of art. 
3. How was photography in the beginning and how it developed soon after? 
4. Mention examples using specific names, dates and particular technologies, and explain the importance of photography in the nineteenth century, and later in the twentieth century.