Answer:
The only two disadvantages I know is that the photographs when taking them were incredibly sensitive to movement and so they had to sit still for a long time and had to keep their eyes shut. The other disadvantage was that the person taking the photo could have contracted mercury poisoning.
Explanation:
It’s in the picture to at least help you out from the best of my knowledge
Nationalism usually does provoke violence and rebellions within nations. A great example of such a thing was the assassination of Archduke Franz Ferdinand by a Bosnian Serb due to the fact he was a major Serbian Nationalist and believe Bosnia should be apart of Serbia.