The length of a square is 4 times A where A is the edge length
<span>Denmark is a goo example of a nation-state because nearly all Danes speak Danish and live in Denmark. So in this case the correct answer would be C. Nearly the entire population are ethnic Danes who speak Danish.</span>
3. the first one.
4. I would say the third one
Agriculture and pastoralism<span> began to transform human societies. </span>Pastoralism<span> and</span>agriculture led<span> to more reliable and </span>abundant food supplies<span> which increased population. Surpluses of </span>food<span> and other goods </span>led<span> to specialization of labor, including new classes of artisans and warriors, and the development of elites</span>