What was the effect of the Mexican-American War? Choose all that apply.%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AIt ended the conflict over the Oregon territory.%0D%0AIt ended the conflict over the Oregon territory.%0D%0A%0D%0AIt increased tensions between the North and the South.%0D%0AIt increased tensions between the North and the South.%0D%0A%0D%0AIt resolved the argument over whether there should be slavery in the territories.%0D%0AIt resolved the argument over whether there should be slavery in the territories.%0D%0A%0D%0AIt proved a training ground for many generals later involved in the Civil War.

The effects of the Mexican-American War include:

- It ended the conflict over the Oregon territory.
- It increased tensions between the North and the South.
- It proved a training ground for many generals later involved in the Civil War.