The answer is:
Engels edited Marx's The Condition of the Working Class in England.
Personally, I would say Vietnam. This is because the war in Vietnam started in 1955, escalated even more when the U.S. came in the 60s, and finally came to a close in 1975. Vietnam has fought for independence for 20 years, and that's my reason why.
The correct option is B
ucr
<span>Classical conditioning is the process in which the conditioned stimulus (as the sound of a bell) is paired with and precedes the unconditioned stimulus (as the sight of food) until the conditioned stimulus alone is sufficient to elicit the response.</span>
