Map of the United States showing U.S. acquisitions, 1845 to 1848. States shaded in whole or in part are Texas, New Mexico, Colorado, Arizona, Utah, California, Nevada, Oregon, Washington, Idaho, Montana, and Wyoming. The first area, labeled 1844, includes eastern Texas as the Lone Star Republic. The second area, marked 1848, includes west Texas, east New Mexico, central and southeastern Colorado, and marks land in dispute between Texas and Mexico in 1848. The third area, labeled 1853, is the Gadsden Purchase, which is south of Arizona. The fourth area is the Mexican Cession of 1848 Guadalupe Hidalgo, including west New Mexico, west Colorado, Utah, north Arizona, California, and Nevada. The last area, 1846, marks the Oregon Territory Treaty with Great Britain, which includes Oregon, Washington, Idaho, northwest Montana, and western Wyoming.

Public Domain

Which of these region(s) on the map were a source of conflict between the U.S. and Great Britain?

A. Northwest
B. Southwest and southern west coast
C. Northwest and southern west coast
D. Southwest

I think it is B, am i correct?

I think I am correct but it is my last test of the class and I cant afford to fail it. Thanks

Between the US and Britain?

I disagree.
Please read and reread the last sentence.

Is it the Northwest

Correct.

The Northwest of the US "includes Oregon, Washington, Idaho, northwest Montana, and western Wyoming."

Yes, you are correct. The region(s) on the map that were a source of conflict between the U.S. and Great Britain are the Southwest and southern west coast, as marked by the areas labeled 1848 (including west Texas, east New Mexico, central and southeastern Colorado) and the Mexican Cession of 1848 (including west New Mexico, west Colorado, Utah, north Arizona, California, and Nevada).