Across
- 3. - System of government with a king or queen
- 7. - Group of nations or regions ruled by one leader
- 9. - Very old or early in history
- 10. - Formal agreement between countries
Down
- 1. - Advanced state of human society
- 2. - Policy of acquiring and exploiting colonies
- 4. - Sudden and significant change in power
- 5. - Period of cultural revival and learning
- 6. - Series of rulers from the same family
- 8. - Relating to the Middle Ages