Hey can someone help i have a question

List a few examples of city-states that practiced oligarchy in ancient greece

Which of the following was not an important contribution made by the lewis and clark expedition? a. they made detailed descriptions of the terrain of the louisiana territory. b. they fostered relationships with native american tribes. c. they advanced the u.s. fur trade with european buyers. d. they secured the u.s. border of the oregon territory by negotiating a treaty with england.

In what war did the gi bill contribute to the growth of professional and white collar jobs