Abolitionists
The abolitionist movement was an organized effort to end the practice of slavery in the United States. The first leaders of the campaign, which took place from about 1830 to 1870, mimicked some of the same tactics British abolitionists had used to end slavery in Great Britain in the 1830s
The question which both John Maynard Keynes and Karl Marx would agree most about would be D. Do free-market economies create problems for workers?
<h3>What is a Free Market?</h3>
This refers to the economic system where there is limited government interference and price is determined by private businesses.
Hence, we can see that based on the economic views of both Keyes and Marx, they both questioned capitalist production and they would likely ask the question in option D because it would show how efficient it is for workers.
Read more about Karl Marx here:
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I would have to say that Justinians empire was weak after being split into. He also faced criticism for the rise in taxes due to the war effort.