- apprehension because he believed the country was growing too large to be governed as a single republic.
- disapproval because he sympathized with the plight of the Indians who would be displaced by white settlement of the West.
- disdain because, as a cultured aristocrat, he considered the settlers to be uncouth rabble who would only cause trouble with the Indians and destroy the West's natural environment.
- unqualified approval because he celebrated the pioneer farmer and hoped to see the West developed by independent yeomen.
ANSWER: Before becoming president, Thomas Jefferson viewed the westward migration of Americans with unqualified approval because he celebrated the pioneer farmer and hoped to see the West developed by independent yeomen.