I can only answer 3 i cant answer 4
To protest the system of apartheid
The statement from the ones you've listed that probably best explains the failure of democratic European governments and nations following World War I is
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The governments were unable to solve serious economic problems in these nation.
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This lead to further consequences which partially also resulted in the next world war.
I would say either B or D but B or D because if you make a good first impression it will show your individuality
Answer:
The movement of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains.
Explanation: