What is the major religion of russia and eastern europe? catholicism orthodox christianity protestantism judaism

The correct answer is B. Otrhodox Christianity.

Explanation

After the Fall of the Soviet Union, in many of the Eastern European nations that made up this great nation such as Serbia, Moldova, Romania, Ukraine, Belarus, and Russia, Orthodox Christianity gained strength in this region. This is because during the reconstruction and reestablishment of these nations as independent states the national identity was strengthened, which in parallel was linked to this religion. In this way today the citizens of these countries consider that to be a true patriot of countries like Russia where 92% of the population practices Orthodox Christianity. So, the correct answer is B. Othodox Christianity.