Final answer:
Enlightenment Ideas and Romanticism influenced key members of Russia's Noble class during the Napoleonic Wars. Enlightenment Ideas emphasized reason, rationality, and progress, while Romanticism celebrated the individual imagination and promoted the idea of natural freedom and independence.
Step-by-step explanation:
The two ideas that influenced key members of Russia's Noble class while they were living abroad during the Napoleonic Wars were Enlightenment Ideas and Romanticism.
The Enlightenment Ideas were based on reason, rationality, and progress. It emphasized the importance of individual rights, freedom, and equality. These ideas challenged the authority of the nobility and supported the idea of a more inclusive and fair society.
Romanticism, on the other hand, was a movement in the arts that rebelled against the aristocratic norms of the Age of Enlightenment. It celebrated the individual imagination and emotions, and promoted the idea of natural freedom and independence. This movement also influenced the belief in the rights of ordinary people and inspired revolutionary movements.