Answer:
The correct answer is A. The Dreyfus Affair sent shock waves throughout France because it showed the extent of anti-Semitism in the nation.
Step-by-step explanation:
The Dreyfus Affair was a French judicial case in December 1894 and the ensuing social conflict that it caused from 1896 to 1906, in a case of espionage in favor of the German Empire by an officer of the French General Staff, a Jew from Alsace (at that time German territory): captain Alfred Dreyfus ( 1859-1935), demoted by a military court and sentenced to life exile with the help of fake documents and in the wake of strong anti-Semitic sentiments in French society. The case received great public attention and played a significant role in the history of France and Europe in the late XIX - early XX centuries.