1. what action did thomas jefferson take despite questions about constitutional provisions allowing it? a. he built a home at monticello. b. he sent lewis and clark on an expedition. c. he authorized the louisiana purchase. d. he appointed a speaker of the house. 2. which of the following was a key point of george washington's farewell address? a. the need for national unity b. the strength of agriculture c. the need for strong leadership d. the need for military strength