You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which leader, who unified Germany in the 1860s has a genus of plants in Madagascar named after him?" whose answer is Otto von Bismarck.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Otto von Bismarck unification of Germany 1860s
Useful Output:

Doc 1: In the 1860s, Otto von Bismarck , then Minister President of Prussia, orchestrated three short, decisive wars against Denmark, Austria, and France,
Doc 2: Otto von Bismarck, "The Iron Chancellor,” led Germany to unification following a series of battles known as the Wars of German Unification, preserving peace in
Doc 3: Having unified Germany through war, Bismarck tried to hold the country together as chancellor by suppressing minorities such as Catholics with
Doc 4: In the 1860s he engineered a series of wars that unified the German states, significantly and deliberately excluding Austria, into a powerful German Empire.
Doc 5: Otto von Bismarck (1815–1898) was a German statesman whose name is synonymous with the unification of Germany and the realpolitik approach to diplomacy.