Because of the French Revolution and the , many aristocrats could no longer afford to maintain private opera houses, orchestras, and "composers in residence."

Napoleonic wars

Explanation:The Napoleonic Wars (1803–1815) were a series of major conflicts pitting the French Empire and its allies, led by Napoleon I, against a fluctuating array of European powers formed into various coalitions, financed and usually led by the United Kingdom.

Napoleonic Wars and the United States, 1803–1815. The Napoleonic Wars continued the Wars of the French Revolution. Great Britain and France fought for European supremacy, and treated weaker powers heavy-handedly. ... Napoleon Bonaparte seized power in 1799 after overthrowing the French revolutionary government.

What cause the Napoleonic war:

Okay, the causes are relatively simple, the Napoleonic Wars were caused by the French Revolution. After years of excesses caused by the French Revolution, Napoleon rose to establish some measure of peace and stability in France. ... As for the effects of the wars.

answer; depression and breathing related sleep disorder(independent);