The Regulator movement of the 1770s, Shays' Rebellion in 1786, and the Whiskey Rebellion of the early 1790s were all expressions of the hostility of frontier settlers to A. the spread of slavery B. government recognition of American Indian land claims C. the dominance of eastern interests in government D. the influence of pro-British elements in government E. efforts to limit suffrage

Option C, the dominance of eastern interests in government, is the right answer.

Explanation:

Americans launched various rebellions and uprising against the colonial as well as the national government. The Regulator movement was the uprising began by the colonies of Carolina in the years between 1765 to 1771 against the corrupted colonial officials. The Shays' Rebellion was a violent protest led by a group of farmers to object the way state enforced the tax collection. The Whiskey Rebellion was an uprising of farmers to protest against the whiskey tax enacted by the federal government. All these rebellions were expression of the hostility of frontier settlers to the dominance of eastern interests in government