The answer is A. friendly but selfish
A. The politics of peace and war in Europe at the time
It seems you need to read the passage. Sorry but please include a text.
Answer:
The sensor: The most obvious difference between film and digital is the sensor used to take the photo. With film cameras a film sensitive to light is placed behind the lens. When a photo is taken the shutter opens for a predetermined period of time and light hits the film. The result is a photo "printed" on the film.
I ohpe this helps :)
The answer is Synthetic Cubism