Colonies justify their independence based in the principal of autonomy, sovereignty and self-determination which gives them the right as organized territories to rule themselves and not to owe their allegiance to a foreign power. Some of the reasons why countries seek their freedom from colonizing powers is because the inequality of treatment between the colonies and the central power, social disadvantages for people who are from the colonies to access education, land ownership, political participation, social mobility, etc.
I believe the correct answer is "the writer should use facts that can be verified to address and disprove opposing viewpoints". By doing this the writer can prove that his information is correct and win the argument.
Hope this helps!
No, it was not really voluntary if the animals did not volunteer than he/she would have their food rations reduced by half(or barley enough to survive off of). I don’t have a quote sorry