The TWO phrases from the text, "EXCERPTS FROM THOMAS JEFFERSON'S WRITINGS ON AMERICAN INDIANS" by Thomas Jefferson, that BEST support the answers to Part A are as follows:
A) "The promotion of agriculture, therefore, and household manufacture, ..."
B) "while they are learning to do better on less land, ..."
Part A discusses the central idea of the text, which is Jefferson's idea that converting Indians to farmers instead of hunters would enable them to part with excess land.
Thus, the TWO phrases from the text that best support the answers to Part A are Options A and B.
Learn more about Thomas Jefferson's Writings on American Indians here: https://brainly.com/question/6189837 and https://brainly.com/question/25847700