Why was the Louisiana purchase such a great mistake for United States?

The impeachment of president clinton by the u. s. house of representatives occurred with a. virtually all republicans supporting it, while virtually all democrats opposed it b. about two-thirds of republicans supporting it and about two-thirds of democrats opposing it c. half of all democrats and half of all republicans supporting it, while half of all democrats and half of all republicans opposed it d. virtually all democrats supporting it, while virtually all republicans opposed it

The soviet union and the united states believed in two very different economic systems. what were the names of each?

Which battle was one of the most devastating for