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Answer:
Explanation:
Child labor was very big during the late 1800s through the early 1900s. At times children were more useful laborer because their size allowed them to fit into tight spaces throughout the factories or mines. Many factory owners would hire children opposed to adults because they accepted lower wages as pay.
Either a primary source could be unavailable or a primary source could be extremely biased. For example, if a researcher was looking at King George, they might not want to use the diary of someone who despised King George as a big part of their research.
Immigrants and children worked in factories