Answer:
A. Democracy spread throughout the region
Explanation:
After the collapse of the Soviet Union, Eastern Europe had slowly integrated a democratic government. This however does not mean it was perfect, most of them are corrupted but even Russia had declared itself a Republic after the end of the Communist Regime.
Abrasion is caused by the effects of wind and sand.
The earth's crust is very important to human beings not only because they live in it but because of the socio-economic benefits it offers them. ... Some of these less dense rocks, such as granite, are common in the continental crust but rare to absent in the oceanic crust. Both the continental and oceanic crust mantle.