The answer is b and it is shown by What they said
Answer:
Technology inventions
Explanation:
Technology inventions and transportation have made things possible in economic level. The advance in technology in industries helped in increasing the production of goods. Cotton Gin, Steam power, spinning jenny, and electricity helped in industry. The increase in production became possible with the help of mining and railroad. By the expansion of the railroad with the help of steam engine resulted in a reduction of the time and money it took before to move large goods. In the 1900s, the assembly lines helped in producing the finished product in a short period.
La cultura mexica, o la cultura azteca, comenzó durante el siglo 13 en Mexico, y dur<span>ó hasta el siglo 16, cuando los conquistadores espanoles vinieron. Ellos mataron a muchos indigenas y trajeron enfermedades que decim</span>ó la poblaci<span>ó</span>n mexica.
