The similarity in both invasions of Russia is.
They both Failed.
Well there could be problems with food, and if there is a sickness, or a desater, like flooding around you could not move on. Also the population can reduce food, and water.
1. Britain
2. 7
3. 1775
4. D
5. D
6. 1776
I don’t know if all of my answers are correct i’m sorry i tried