It is B. The semicolon should be between everywhere and it's. I.e. "....everywhere;it''s..."
Although the economy began to develop at first, in 1920, a civil war started which caused many bad things for the Russian economy. The government began obsessed with overtaking the westerners and this <span>caused the economy to suffer and caused economic disintegration, isolation, and famine.</span>
There are advantages as well as disadvantages of colonization of humans on planet Mars.
<h3>Compare the colonization of humans on Mars of both articles</h3>
Both the articles talk about the Mars. One article says that colonization of humans on Mars is very important and necessary while on the other hand, the other article says that the environment of Mars is not suitable for the living of humans. So one article opposed the colonization of humans on Mars whereas the other is agreed with the colonization of humans on Mars.
So we can conclude that there are advantages as well as disadvantages of colonization of humans on planet Mars.
Learn more about Mars here: brainly.com/question/644043
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