Many different groups helped in the building of the Korean Wall.
Answer: 1. Bad working conditions (crowded and unclean factories)
2. A lack of safety codes or legislation (no proper fire escapes crowded work space)
3. Long hours were normal (long hours of 12+ hours no days off)
4. Children were payed less ( business owners payed children less)
5. Their small stature enabled them to complete tasks in factories or mines that would be challenging for adults.
Explanation:
The technique involved in the early 1900s, automobile manufacturers developed a manufacturing process based on each person is
Mass production.
<h3>What is Mass production?</h3>
Mass production can be regarded as the process of manufacturing of large quantities of standardized products.
Therefore, with this technique, assembly lines are been used like in 1900s.
Learn more about Mass production at;
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A. Spanish conquistadors bring their horses with them across the Atlantic. Some horses escape or swim to shore after a ship sinks. The Plains Indians become expert horsemen and buffalo hunters.
This was certainly not intentional since hardly the conquistadors would want their enemies to be stronger.
B. B. Rats are aboard European ships coming to the Americas. The rats spread disease and hunt unknown numbers of smaller animals to extinction.
This is hardly intentional. Rats were almost unavoidable back then and the Europeans just did not care much about them. They weren't thinking about how the rats would cause trouble in the Americas. They were "just rats".
So the only intentional one is:
C. Columbus brought pigs to the Americas on his second voyage. The pigs provided a valuable source of food for a growing population.
Columbus brought pigs for them to serve as food eventually and so they did.