Correct answer choice is :
B) Engels edited Marx's The Condition of the Working Class in England.
Explanation:
The Condition of the Working Class is the famous work of Engels, and in many ways still the excellent research of the working class in Victorian England. It was also Engels's first book, written during his stay in Manchester from 1842 to 1844. Manchester was then at the very center of the Industrial Revolution and Engels concentrated his study from his own investigations and complete modern reports.
