34. napoleon decided to sell the entire louisiana territory to the united states in part because a. the british had threatened to invade the territory. b. he wanted full control of the port of new orleans in exchange. c. he needed the united states to contribute military forces on the continent in his war against britain. d. the french army on the american continent had been decimated by disease. e. he believed the louisiana territory was a "great desert" unfit for habitation. accessibility: keyboard navigationtopic: doubling the national domain35. when thomas jefferson received the treaty for the louisiana purchase, he accessibility: keyboard navigationtopic: doubling the national domain36. the lewis and clark expeditiona. was first planned after the louisiana purchase was made. b. was assisted by the guide sacajawea. c. was led by two men who had little experience with indians. d. saw both leaders die before the expedition was complete. e. never made it to the pacific coast.