Original Jurisdiction: This is when a court is first hearing a case. This court is then said to have original jurisdiction.
Appellate Jurisdiction: This is when a case has been appealed (the original decision questioned) and another court hears the case.
Answer:
I think this answer = Railroads had great power because they were essential to life and work in Texas.
It warned Roosevelt that Germany was developing an atomic bomb and encouraged him to start a nuclear program in the US that later became the Manhattan Project
I think german submarine attacks.
The claim of executive privilege generally relates to communications between the Executive Branch and other branches of government, since these are often the most secret.