The Rio Grande, which forms part of the boundary between Mexico and the United States, is an example of aa natural/physical boundary ba relict boundary can artificial boundary dan ethno-nationalistic border ea water divide

The defeat of Mexico after the Mexican American War firmly established the Rio Grande River as the border between Mexico and Texas.

A boundary that uses features like rivers or mountains is referred to as a:

Which map shows the boundaries of the United States just after the Treaty of Guadalupe Hidalgo?

A political boundary that takes on a clear and neat geometric shapeAConsequent BoundaryBDefined BoundaryCDelimited BoundaryDGeometric Boundary

What are the causes of the U.S.-Mexican War?Manifest DestinyThe Monroe DoctrineTexas AnnexationA border dispute