During the times of the Soviet Union why was the Ukrainian language replaced in school.
A. It wasn't considered a native language.
B. It wasn't a practical language for school.
C. People were content to speak Russian instead.
D. The Soviet Union wanted to have a common language throughout their empire.
E. There were more Russians than Ukrainians in the Ukraine.
In the second and third line the author states that a common language, Russian, was expanded at the expense of native languages. Thus Russian was taught in schools instead of Ukrainian.