Mass production of steel, large suspension bridges, steel frame construction in buildings. It allowed impurities to be removed cheaply and easily, enabling steel to be produced in mass quantities.
The legend tells us that Lao Tzu was contemporary to Confucius and when he departed from one of the border passes, the chief guard noticed that it was Lao Tzu. He asked Lao Tzu to write down this basic thought. So he did<span> it in two thousand words.
Source: </span><span>www.csudh.edu/phenom_studies/laotzu/taoteching.htm</span>
Answer:
Famine and the rise of local leaders allowed the Hyksos to use their greater technology to conquer Lower Egypt.
Explanation:
Ferdinand Magellan was the first (at least his crew) to successfully lead an expedition to circumnavigate the world. (he died on the voyage, but ~3 sailors made it back i believe, forgot the number of sailors, but very little)
hope this helps