What did the planes have in common? they were all domestic flights heading towards the West coast, which means that they would have a great amount of fuel on them: this would increase the explosion and fire after the crashes. This was a likely reason for those and not other planes being chosen.
Answer:
Junto Group also known as Leather Apron Club, was started in 1727 by Benjamin Franklin. Benjamin and his 12 friends used to discuss politics & natural philosophy in this group. Union Fire Company is also created by Junto group. They launched various public projects and started first lending library was started. Junto group started Pennsylvania Hospital. Adding to that they created American Philosophical Society. This was started way back in 1743 and still functioning.
Northern states who could use the lands to create colleges for all United States citizens are the ones who benefited the most from the Morrill Land Grant of 1862.
When someone is described as a "martyr", all this means is that this person died for a cause they they believed in, and that their death inspired others to follow in the cause in question, often in the face of opposition.