Answer:
Thanks but the answer is true...
After the unification of China in the beginning of the Qin Dynasty, China's First Emperor, Qin Shihuang, linked the walls of the three northern states (Qin, Zhao, and Yan).
Explanation:when you think of need economically, you talk about human desire.
Need to my understanding are those necessary things of life that are very important and essential in people's lives, when you place your need as an individual in accordance or to how much you want it, then you are following the scale of preference which is very important in economics, as an individual even with least knowledge of economics you should know how to place ur needs accordingly to the level of want. When you place the needless before the needful then you will end up stranded.
It was the federal companies that built some of the first road of the nation.
Explanation:
Route 40 or the transnational road came into existence in 1811 as Jefferson and Washington had envisioned for modern roads to connect the whole nation.
This project was done over the next two decades.
These roads were not like the roads we have now whoever.
Those roads which are pave roads of concrete came into existence in 1909 and were mostly built by private companies in this century.
Even now only 70 percent of the roads in US are paved because of the rugged terrains in large parts of the country.
Answer:
read part 20 in the paragraph
