<em>The US labor movement began in the 1860s (D).</em>
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<u>Explanation:</u>
The evolution of labor in America grew because of the need for protecting the workers’ common interest. The labor unions in different and organized institutions fought for different rights such as fair wages, reasonable working hours, and protected working environment. The movement, therefore, led to determined efforts of ending child labor, providing health benefits and help to workers who got injured while at their duties
The movement origin began during the formative years in America during the introduction of the free lab, our market artisan in the colonial period.
I think it will mean that the words of the question represent the key-words of your thesis. So you mustn't change the words of the question while writing your thesis