Answer:
Explanation:
Jackson declared that removal would "incalculably strengthen the southwestern frontier." Clearing Alabama and Mississippi of their Indian populations, he said, would "enable those states to advance rapidly in population, wealth, and power."
Answer:
Different threshold
Explanation:
Since the person was asked to listen to a series of tones presented in pairs, and at the same time was expected to say whether the tones in each pair are the same or different in pitch, then the person experimenting is most likely measuring different treshold of the tones in pairs.