What makes it particularly difficult to patrol the U. S. borders with Canada and Mexico? It is not difficult to reach any stretch of either border, as both borders are heavily populated and developed.

Water covers over half of the border with Mexico, making it difficult to navigate.

Large stretches of both borders cross rugged terrain and lack developed roads or highways.

Both nations claim sole responsibility for patrolling the borders.

water covers over half the border with Mexico

Explanation: immigrants often use the Rio Grande to cross the border. This river is notoriously hard to cross due to the harsh water and high risk of drowning.

answer:

the colonists had their reasons for creating a weak central (federal) government under the articles of confederation. not only did they create a weak federal government, they restricted the powers of the state governors because they were so concerned about the leaders abusing their power.

answer:

automated firearms identification refers to the use of computers to automate the process of matching a piece of recovered ballistic evidence, against a database.

explanation:

hope this . : )