A laborer undergoes physical or mental exertion of mind or body with a view to earn in return. A laborer who works on an oil rig is called as a roughneck.
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Who is a laborer?</h3>
A laborer is referred to as a person who undergoes physical or mental exertion of mind or body with a view to earn something in monetary terms in exchange for the labor he/she provides.
A laborer is of different types and may be called by different names, irrespective of the kind of work or labor he provides. Likewise, a laborer who works on an oil rig is called as a roughneck. It is to be noted that a laborer is an important factor of production.
Hence, option B; a laborer who works on an oil rig is called as a roughneck is correct.
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Answer:
B
Explanation:
The Treaty of Amity and Commerce promoted trade between the United States and France and recognized the United States as an independent nation. Between 1778 and 1782 the French provided supplies, arms and ammunition, uniforms, and, most importantly, troops and naval support to the beleaguered Continental Army.
Option D is the right answer.
The Montgomery Bus Boycott was a major success of the Civil Rights movement. This boycott was a social and political protest campaign against the doctrine of racial discrimination in public transportation. The boycott began when an African- American lady was imprisoned for denying to quit her chair to a White man. And this protest resulted in the Supreme Court's verdict that claimed the Montgomery and Alabama laws that segregated buses were illegal.