Answer:
Electric power first saw commercial use in the 1870s.

- <u>The definition of a market economy is one in which price and production is controlled by buyers and sellers freely conducting business</u>
<h3>
<u>example</u></h3>
- <u>the United States economy where the investment and production decisions are based on supply and demand.</u>
<u>
</u>
<u>#</u><u>c</u><u>a</u><u>r</u><u>r</u><u>y</u><u>o</u><u>n</u><u>l</u><u>e</u><u>a</u><u>r</u><u>n</u><u>i</u><u>n</u><u>g</u>
Answer:
The Islamic Golden Age was an era of cultural, economic, and scientific growth in Islamic history that lasted from the eighth through the fourteenth century.
Explanation: The Islamic Golden Age began in the year 750 AD and ended in the year 1258 AD.
I hope It's helpful