Answer:
The history is not preserved as long as it would if it did not exist only in people's memories and passed down verbally. If it was written down, it would be preserved longer.
Explanation: Hope this helps!
Well They are basically characterized as selfish
After about 1830, most southerners came to look on slavery as a necessary evil. (b)
b. a necessary evil
C) Most machines had few safety features.
Machines of the Industrial Era lacked any safety features that would prevent bodily harm to the workers.
Workers in factories faced machines with open moving parts that workers could get caught in. Workers lost digits and limbs in machines leaving them unable to work. Children were often hurt going under machines to pick up pieces that had fallen. The meatpacking industry was particularly dangerous with open grinders. Mining also posed threats to falling in a shaft or mines falling in on miners. The factories also lacked ventilation, open doors, fire stairs, and other safety features that are now common.