Otto von bismarck is important in german history for

Otto von Bismarck was a German politician who lived between 1815 and 1898 and who in 1862 became the Prime minister of Prussia (a kingdom with high military power that  officially disappeared in 1947, at the end of World War II).

Bismarck is remembered for his role in the unification of Germany and is considered one of the greatest diplomats in history and a master of international relations. He was also called the "Iron Chancellor" for his determination in pursuing his political objectives to achieve them and for having waged three wars to gain control of much of Europe.

In addition, he is awarded the fact of having established in Germany the electoral law and social protection systems such as health insurance, accident insurance and the retirement system.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.