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.
The movement of groups from one country,place, or locality to another
Answer: Varves, the meatloaf of the Earth
Explanation: Do you know meatloaf? Well, we know that a meatloaf is basically a set of meat layers, one on top of another.
Varves are the same, but these are formed by layers of glaciar or mineral grains. All positioned, just as meat loaf, one on top of another: In sense of ascending seasons.
Varves are useful for GEOCHRONOLOGY, cause they can determinate the absolute age of some rocks of glaciar origins.
The correct answer is - False.
The mechanization in the agriculture contributed to less people being involved in it, and that is because with the mechanization much less human labor is needed since the mechanization is doing the work for multiple people and animals, with the same or better efficiency, and also quicker and cheaper.