explain the environmental and geographical challenges of building and running the Great Northern Railway. What solutions did engineers find? What additional problems were created as a result? Support your response with evidence.

One Solutions&problems that the environmental and geographical challenges of building and running the Great Northern Railway is that they found that they could built a shed-like structure and it would prevent the trains from avalanches, but it would trap exhaust, causing other problems later on.

Explanation:

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "