Federalism

5. - A country in Western Europe known for its model of power-sharing between different linguistic communities (7 letters)
7. - Relating to a population subgroup with a common national or cultural tradition (6 letters)
9. - An island country in South Asia with a history of ethnic conflict (8 letters)
10. - Speaking two languages fluently (9 letters)
11. - An alliance for combined action, especially a temporary alliance of political parties forming a government (10 letters)
12. - The transfer of control of an activity or organization to several local offices or authorities rather than one single one (15 letters)
13. - The smaller number, part, or amount (8 letters)
15. - The right or condition of self-government (7 letters)
16. - A body of fundamental principles according to which a state is acknowledged to be governed (12 letters)
17. - General agreement (9 letters)
18. - The quality of being prudent; cautiousness (8 letters)

1. - A convenient arrangement; a settlement or compromise (13 letters)
2. - A serious disagreement or argument, typically a protracted one (8 letters)
3. - A union or association formed for mutual benefit, especially between countries or organizations (8 letters)
4. - A system of government in which power is divided between a central authority and constituent political units (10 letters)
6. - A system of government by the whole population, typically through elected representatives (9 letters)
8. - A group of people living in the same place or having a particular characteristic in common (9 letters)
12. - The state of being diverse; variety (8 letters)
14. - The greater number (8 letters)
15. - A minor change or addition designed to improve a text, piece of legislation, etc. (9 letters)