<span>American people benefited from industrial growth while also experiencing its adverse effects. Cheap labor and assembly-line manufacturing made mass production possible. Railroad networks carried the mass-produced goods, of new technologies, around the country. retailers expanded their operations and laid the foundation for the consumer-driven society that evolved later in the century. Materially, city dwellers' standards of living improved steadily, not only in food, shelter, housing, and other material goods, but also in health care and education. Inexpensive books, magazines, newspapers, and improved public libraries, funded in part through the benevolence of Andrew Carnegie, contributed to their intellectual lives. Sexual fulfillment in marital relationships continued to gain importance, and family life increasingly reflected the ideals of companionship. Silent films and amateur and professional sports helped fill leisure time. The Boy Scouts and Girl Scouts, founded in 1908 and 1910, provided recreational and educational opportunities for children.</span>
President Franklin Delano Roosevelt from 1933-1945
The correct answer is B) No historians have written about the era that preceded the ancient era.
The option that could be a reason why humans know very little about the time before the ancient era is that no historians have written about the era that preceded the ancient era.
We are referring to what is cold prehistory, the time where events occurred before the existence of written records. Historians write what they can research or interpret written records from the past such as the clay tablets of Sumer-Mesopotamia or the Egyptians glyphs due to the Rosetta Stone. But without written records, all is speculation, that is why humans know so little about prehistory.
Localgoverment in the united states refer to govermental jurasdiction
Hey You!
I believe the answer would be false, since the Colonists participated in the slave trade because they thought very lowly of the slaves, and because of money.
