9.) the alps, ural, and pyrenees , are examples of a. eastern european rivers . b. densely populated countries . c . natural borders that divide states . d. migration patterns that are based on mild climates .

c. Natural borders that divide states

Explanation:

The Alps, Ural and Pyrenees are all mountain ranges found within Europe. The Alps serve as natural borders for several countries including Germany, Austria, Italy, Slovenia, Switzerland and France. The Ural mountains do not divide a country, but rather European Russia from Asian Russia. The Urals also mark the easternmost extent of the European continent. Lastly, the Pyrenees mountains from the boundary between Spain and France.

the answer is d. made landless peasants that owners of large haciendas