Answer:The first five-year plan (Russian: I пятилетний план, первая пятилетка) of the Union of Soviet Socialist Republics (USSR) was a list of economic goals, created by Communist Party General Secretary Joseph Stalin, based on his policy of Socialism in One Country.
Explanation:
<span>The best and most correct answer among the choices provided by the question is the fourth choice "reaching the mantle caused by the movement of two tectonic plates away from each other"</span><span>
The Gakkel Ridge is a mid-oceanic ridge, a divergent tectonic plate boundary between the North American Plate and the Eurasian Plate. It is located in the Arctic Ocean between Greenland and Siberia, and has a length of about 1,800 kilometers.
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Herding? sorry if it’s not right
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.