Which of the following directly resulted from the French revolutionary era (1789-1815)?

While the Russian Empire did expand into Poland during the partitions in the late 18th century, this expansion was not a direct result of the French revolutionary era. Instead, it was a continuation of earlier territorial ambitions and was more influenced by the geopolitical dynamics of Eastern Europe than by the revolutionary ideas that emerged in France.

The Enlightenment actually preceded the French Revolution, reaching its height in the 17th and 18th centuries. While the revolution was influenced by Enlightenment ideals, it did not mark the beginning of the movement. Instead, it was the culmination of Enlightenment thought, which had already laid the groundwork for concepts of democracy and individual rights.

Although France did annex some territories during the revolutionary and Napoleonic wars, these annexations were not permanent. The Congress of Vienna in 1815 reversed much of Napoleon's territorial expansion, fragmenting the annexed regions and restoring previous borders. Therefore, this option does not accurately reflect a lasting outcome of the revolutionary era.