I would say he is talking about the things people should be like in life. He tells this person he is speaking to that to practice five things everywhere under Heaven, you must practice "gravity [dignity], generosity of soul, sincerity, earnestness, and kindness." He tells his audience that these are the things to be practiced under the watch of Heaven.
Answer:
B, Hydraulic Mining.
Explanation:
This is a rare type of mining that uses high pressure of water to move rock sediments.
This type of mining is used in mining for kaolin, coal, tin or gold. The water here is used to remove whatever is been mined.
The North had a heavily industrialized economy while the South's economy was still mainly cash crop exports such as cotton. So when the Civil War broke out the North already had the means of production and the production capacity to make arms and supplies for their troops as well as deliver the supplies to the troops in a speedy manner via the North's extensive railways. Now the South basically had to build its production facility for its war efforts because it had an almost non-existent industrial capacity making it severely lag behind the North in its abiity to supply its troops. Also before the Civil War broke out the US had a lot of pro-industrial tariffs in place which made the Northern states generally wealthier the the Southern states.
Which country are we talking about ?do you mean in general ?