It would be Statements 2 and 4
Because they helped strengthen their industrial-based economy
They got to know with the photographs from the U - 2 spy plane.
<em>Hope this helped! :)</em>
Answer:
No, I do not believe that it caused the Civil War. The Civil war was more caused by the states for slavery and against slavery spliting up and fighting to the point where it ended up causing a Civil War.
Explanation: