Answer:
3. 3-D Printing.....You probably didn’t know that what’s now known as 3-D printing began in the early 1980s with a process called selective laser sintering. University of Texas alum Carl Deckard began inventing the process, commonly referred to as SLS, while he was still a graduate student.
Explanation:
After WW1 it took a while for life to go back to normal. Everyone around this time were creating new ideas and which lead to mass production. The demand for the multitude of new product was higher then ever and they thought that they were getting somewhere. However the prosperity<span> of the 20s was not universal, many places were still dependent on farming. But everything went downhill and it led to the great depression </span>
D. The Enlightenment intellectual Benjamin Franklin emptied his pockets into the collection dish after Whitefield's sermon.
Answer:
In response to financial reverses related to the economic depression that began in 1893, the Pullman Palace Car Company, a manufacturer of railroad cars, cut the already low wages of its workers by about 25 percent but did not introduce corresponding reductions in rents and other charges at Pullman, its company town near Chicago, where most Pullman workers lived. As a result, many workers and their families faced starvation.
