Poor working conditions, low wages, and hazards of industrialization are some of the main causes of the Bolshevik Revolution.
Since you have not given me the choices, I'll only discuss what is wetland and what are it's danger when it will be destroy.
Wetlands are the places that contains body of water like ponds, seashore, or river.
Since this is a wetland, expected that there will be a lot of species living in their and having their habitat like fishes, frogs, algaes and more.
Now, when this place become destructed, all these species will lost their habitat and soon die.
We all know that in our world, we depend on each other. so what will we do if our food will no longer exist?
It was caused due to political conflict such as social inequality, tax burden, the rise of the bourgeoisie and financial crisis.
The answer to this question is France