The border traverses a variety of terrains, ranging from major urban areas to uninhabitable deserts. Approximately 350 million legal crossings occur annually, and is the most frequently crossed border in the world. The total length of the continental border is 1,954 miles (3,145 km).
Only a veterinarian will know what's wrong with your dog but usually stumbling, wobbling and falling down is associated with neurological problems, especially if there aren't any other signs. I would really take him to the vet as soon as you can.
This can lead to a dog choking, gagging or simply becoming frustrated enough to lash out at the child -- not a safe situation for your dog or your toddler. 4. Don't walk your dog after dinner. Your dog should not have a walk right after a meal. Peterson advises waiting at least 15 to 30 minutes after feeding to exercise your dog.