The practice which is not sound in conducting individuales is C) conducting in-person interviews and telephone interviews in the same poll.
In-person interviews deliver the most representative results. Telephone surveys provide a good alternative but they need using a larger sample.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The Bolshevik Revolution brought about Lenin's "April Theses" blueprint to some extent because it was the document in which Vladimir Lenin expressed his ideas and philosophy for Russia. Lenin (1870-1924) came up with ten interesting points where he referred to the revolutionary ideal in a time of change for Russia. He unveiled the content of "April Theses" in 1917, before the attendants to the April Bolshevik Conference.
These ideas supported changes in the Tsar's government system and urged the Social Democratic Labor Party of Russia to consider rebellion as an option.
One of the most important effect of the crusades was on commerce. They created a constant demand for the transportation of men and supplies. Hope this helped, have a great day! :D
Berg and Webern continued Schoenberg's work with Serialism in music.
