Answer:
a war between citizens of the same country
Explanation:
The American Civil War was a civil war fought in the United States from 1861 to 1865, between the North and the South.
Answer:
factories.
Explanation:
Maquiladoras are most similar to american factories. It is a manufacturing operation, where factories import certain material and equipment on a duty-free and tariff-free basis for assembly, processing, or manufacturing and then export the assembled product.
Answer:
The answer is difference threshold.
Explanation:
Also called just-noticeable difference or least perceptible difference, the difference threshold is the degree of a stimulus that must be changed in order to be recognised.
For it to be considered a difference threshold, the difference must be identified at least 50% of the time.