The answer is A.) Conclusion
Gatekeeping is a person who stays in a gate and decide what passes through or not. synonymous in an organization, the gate keeper is the information dissemination machinery. gate keeping is more on the rise in organizations as they attempt to influence public opinion, in a semeengly information anxious society.
The answer is D. military conquest.
Ulrich Bonnell Phillips is the historian who argued in the 1910s that slavery was a generally benign institution where slaveholders cared for happy slaves.
He is the first historian, his works of South and Southern slavery attracted the attention and creates controversy of some historians. Today, he is remembered as a conservative, proslavery interpreter of slavery and slaves.