The correct answer is:
<span>A. the process of formal approval
This word can be found for example in the context of ratification of constitutional Amendments by the states: It's a process of formal adoption of those amendments, a process of formal approval.
Similarly, international treaties have to be often ratified by the parliaments.
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So that history does not repeat itself. By educating others on the horrific events that have occurred in the past, we can learn from it and work to avoid it from reoccurring. Hope this helps answer your question!
The only other food they relied on was buffalo
The correct answer is option (a) "labor unions". Labor unions are organized associations formed to protect the rights or interests of a group of workers. These associations protect the workers, and help to avoid that the businesses perform any kind of infringement against them.