Explain why Austria was defeated in 1866?

Brainliest ? The issue was clear-cut: Prussia deliberately challenged Austria for the leadership of the German Confederation. ... The actual pretext found by Bismarck in 1866 was a dispute over the administration of Schleswig and Holstein, which Austria and Prussia had seized from Denmark in 1864 and had since held jointly.

In 1866, Austria was completely defeated in the Austro-Prussian War. Its position as the leading state of Germany ended, and the remaining German minor states were soon absorbed into the German Empire, created by Prussia's Bismarck. Austria also lost much of its remaining claims and influence in Italy, which had been its chief foreign policy interest.

Explanation:

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