The conditions that lead to the rise od communism in Russia (*Which will become known as the Soviet Union for the next 80 years) were as followed:
The writings of Karl Marx; especially his book with Hienrick Engles The communist mannifesto.
The abolistion of Serfdom; abolished in 1861, created a new class of landless people whom the ideas of Marx would find many sympathizers. Once forced to work on the lands of nobility; now freed of their feudal bonds by Tsar Alexander II.
Finally the food shortages; harsh winters that caused famines , little arable land mix with the high food levis for the Tzars army during the first world war, making food even scarcer.
These conditions favored the rise of the Bolshevik and the Red Army. Thus creating the Soviet Union.
Isthmus is a narrow strip of land that connects two larger landmasses.
The Atlantic ocean is widening at an estimated rate of 4cm a year.
So, if the ocean is widening 4 cm a year, then in 100 years it will be 4x100 = 400 cm wider.
In activities far below the crust, the tectonic plates are constantly moving, and with the exception of earthquakes, these movements are not actually felt. However, scientists have observed that the Atlantic Ocean is slowly expanding, moving the continents of North and South America further away from Europe and Africa.
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Answer:
The outer planets are further away, larger and made up of gases. The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes, the outer planets Jupiter, Saturn, Uranus and Neptune.
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