The Rio Grande, Sabine, and Red River are examples of - A. latitude lines that create national borders
B. rivers that are polluted by religious rituals
C. physical features that create political borders
D. physical features that are currently the source of a violent conflict

britian is way too advanced for me my good luck

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

answer; i believe the correct answer is (the willamete valley);