Which statement would be the best example of historiography?

A. The French Revolution was a result of class conflict between the Ancien Regime and people who had been historically denied rights.
B. Kari Marx and the Friedrich Engels wrote the Communist Manifesto, which influenced revolutions all over the world.
C. The Third French Republic was established in 1870 and the Paris Commune was 1871.
D. The Reign of Terror sought to eliminate people not radical enough for the revolution.

A. The French Revolution was a result of class conflict between the Ancien Regime and people who had been historically denied rights.