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Answer:The United States' southern border with Mexico is 1,933 miles long, stretching from the Pacific Ocean to the tip of South Texas. Some 700 of those miles have fencing in place.
What natural boundary helps form the border between the United States and Mexico?
RÃo Bravo del Norte
Texas used the Adams-OnÃs as a boundary line to the U.S., but decided to set the Rio Grande (called the RÃo Bravo del Norte in Mexico) as its boundary line to Mexico
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