Considering the available options, the statement that accurately describes the effects of the multiethnic revival in Europe is that "the Czech Republic and Slovakia were combined to form Czechoslovakia."
What is multiethnic revival?
Multiethnic revival is the resurgence and popularity of the multiethnic nations or groups forming together.
The significant effect of the multiethnic revival was the formation of Czechoslovakia in 1918.
How Czechoslovakia was formed
Czechoslovakia was formed in 1918 when the ethnic groups of Bohemia, Moravia, and Slovakia joined together to form one Nation 1918.
The ethnic groups of Bohemia and Moravia are often referred to as Czech, while Slovakia from the Eastern part of the Austro-Hungarian Empire collapsed after World War I.
Hence, in this case, it is concluded that the correct answer is option A.
Learn more about Multiethnic groups here: https://brainly.com/question/1675067
