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.
Answer:
Reform. By the late 1860s, citizens began demanding civil service reform. ... After each election the outgoing President applied the Pendleton Act to jobs held by his political supporters. By 1900, most federal jobs were handled through civil service and the spoils system was limited only to very senior positions.
Explanation:
I don't know, Tariff, Levy, Toll?
The south approved slavery because slaves were useful to them on their cotton farms. However, after the invention of cotton gin many saw that they didn’t need to slaves to work for them on the cotton fields anymore as it was easier to own a machine which would do the work instead. They saw the slaves as pointless and impractical after the invention.