I believe it was the Soviet invasion of Afghanistan.
Answer:
Polybius is a greek historian, the times he wrote this book was between 167 to 119 BCE. He wrote the book because he admired the Roman Government very well.
Explanation:
The ancient Maya, a diverse group of indigenous people who lived in parts of present-day Mexico, Belize, Guatemala, El Salvador and Honduras, had one of the most sophisticated and complex civilizations in the Western Hemisphere. Between about 300 and 900 A.D., the Maya were responsible for a number of remarkable scientific achievements–in astronomy, agriculture, engineering and communications.
<span>The right of states to strike down federal laws they see as unconstitutional</span>
