Answer:The First one/Answer A
Explanation:Its the most logical answer
It could also be called the professional class.
Primary source
annual report for the year 2014 issued by fault motor company, the letter of Abigail Adam by Abigail Adam, narrative of the life Frederick Douglas and American slave by Frederick dockless
Secondary source
A matter of choice memories of a female physicist by day ajzenberg seleove, baseball by can burns a documentary film about the history of baseball, analysis of a drawing by Leonardo da Vinci in National geographic magazine
<h3 /><h3>What is primary source?</h3>
The closest sources to the information's source are referred to as primary sources. They need to be interpreted by academics because they are raw data. Secondary sources frequently interpret main sources since they are connected to them.
Thus, statement are matched
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Answer: Between 1916 and 1920, the cities of northern and central Russia lost 33% of their population to the countryside. The number of people working in Russia during War Communism dropped by 50%. Although private trade was illegal, in the cities more people were engaged in this than at any other time in Russia's history.
