Exceptionally high population densities occur in the Yangtze delta, the Pearl River Delta, and on the Chengdu Plain of the western Sichuan Basin. Most of the high-density areas are coterminous with the alluvial plains on which intensive agriculture is centred.
A main cause of the trade was the colonies that European colonies were starting to develop. Also some African societies had long had,their own slaves and cooperated with the Europeans to sell other Africans into slavery.
The constitutional provision which <span>states that the u.s. constitution and all valid federal laws are superior to all state laws is: </span><span>The </span>Supremacy Clause of the United States Constitution<span> (</span>Article VI<span>, Clause 2)
This means that if the result of states law and federal law are contradicting each other, the courts are obligated to follow the Federal law because it hold the higher supremacy</span>
Aragonite, salt, seafood.
