The correct answer is C) Citations.
A citation is when an author gives credit to an individual for a quote, picture, or some other type of information. Reliable sources include citations because it allows the reader to look into the sources the author used in order to create their book. If the person looks into the resources used and they are not from accredited or peer reviewed works, it will discredit the author's argument.
This is especially true in the field of history. The most reliable sources are ones that contain several citations and have been peer reviewed by other professionals within the same field.
Tsar Alexander II initiated a series of importantreforms in Russia. During his reign, the country's rail and communication networks were improved, resulting in increased economic activity and the development of banking institutions.
Answer:
If they didn't use air blockade then the people in Berlin could not have escaped from the Soviet blockade.
Explanation:
Under Kiev's powerful rule.
World war 1 put Russia in debt and the people of Russia didn't think that they should even be in this war. so they started a revolution which eventually put an end to the Russian monarchy.
