Which of the following was a reason latin american countries had difficulty establishing national unity during the 19th century

How did chris mccandless feel before and after going into the wild? i need with a compare and contrast slide for a project

1.     in what kind of government does a small group have a firm control over a country?  

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth