"Nationalism and Unification": HTML5 Crossword

Across

2. A place in Northern Europe previously part of Germany and parts of Poland (7)
5. A system of politics or principles based on practical rather than moral or ideological considerations (11)
7. Italian politician, journalist, activist for the unification of Italy and spearhead of the Italian revolutionary movement (7)
8. the period when Japan was ruled by the emperor Meiji Tenno, marked by the modernization and westernization of the country (5)
10. King of Sardinia-Piedmont who became the first king of united Italy (6,8,2)
11. Price of Prussia and first chancellor of the German empire, successfully preserved peace in Europe for 2 decades (4,3,8)
17. War between German confederation under the Austrian Empire and the Kingdom of Prussia, 3rd independence war for Italian Unification (5,5,3)

Down

1. Patriotic feeling, principles, and efforts (11)
3. King of Prussia and first German emperor (6,1)
4. Speech given by Otto Von Bismarck about the unification of German territories (5,3,4)
6. Treaty signed by Matthew Perry to open the ports of Shimoda and Hakodate to American trade and permitting the establishment of a U.S. consulate in Japan (6,2,8)
9. Italian statesman and a leading figure in the movement toward Italian unification (6)
12. German word for emperor (6)
13. U.S. naval officer who headed an expedition that forced Japan to enter into trade and diplomatic relations with the West after more than two centuries of isolation (7,5)
14. A senior state or legal official (10)
15. Group of white men acting as a terrorist and intimidation wing of the Democratic Party in the state elections of 1898 and 1900 (3,6)
16. Italian patriot and soldier of the Risorgimento, contributed to the unification of Italy under the royal house of savoy (9)