The main Idea is "Robots are better assembly workers" because everything at the beginning of the passage leads up to how robots can be more productive in bad environments.<span />
The steam engine and steam locomotive evidently had major consequences on European society. Positive and negative effects are apparent, as these major technological breakthroughs transformed European society. Even today, many aspects of society and economics are present due to the profound impact these inventions had, which is why they are such big turning points in history.
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.
