why was it critical for good pioneer trails going west to have a decent route through the Rocky mountains

Most criminologists agree that juvenile crime is less violent today than it was in the early 1990s. according to the text the reasons cited for this decline include what?

What issue lead from texas seceding from the union

Due to serious dogmatic differences between the orthodox church and the western christan churches, the orthodox church is not in communion with the roman catholic and protestant communities true or false