(two correct anwsers) the actual war between the united states and mexico started after the united states invaded mexico. mexico invaded the united states. the united states sent troops into the disputed border region. mexican forces attacked and killed american troops. american troops seized a town in mexico.

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