Answer:
1. The autocratic policies of the czars and their resistance to change
2. Lack of industrialization and economic growth
3. The Russo-Japanese War
4. Bloody Sunday
5. World War I
Explanation:
LET ME KNOW IF I AM WRONG!!!! :)
It was a physical barrier. Literally a concrete wall.
It's basically when there were bans against alcohol consumption and production. so wet=alcohol and dry=no alcohol
