The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.
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If there was a graph, it would be more helpful, but I believe the answer would be A. If you could provide the graph, I would correct myself if I am mistaken.
<span>Assuming that this is referring to the same list of options that was posted before with this question, the best response is "destructive" since many Natives were moves off their land. </span>