Answer:
Electricity and the light bulb. The electricity because thanks to the invention many people were able to communicate more and it was first used for so many other inventions on the way. The light bulb became VERY important and especially for everyday convenience since the invention around 1802..it is said that there's about 20 light bulb inventors (Thomas Edison was just credited). steam power and electricity as well.
IF the options are what I think they are then the state that best describes an economic trend that shaped the end of the 20th century is m<span>ore of the products sold in the US were manufactured in foreign countries.
Hope this helped :)</span>
<span>the chinese sailor that began a series of seven naval expeditions that went as far as the east coast of Africa was : Zheng He
He was a chinese diplomat and navy fleet admiral that served under the Ming Dynasty. In order to bring riches to the kingdom, he traveled all around the wolrd to find resources</span>
