I believe the answer would be Trade Routes, however take that with a grain of salt because it may be wrong.
Technology has been very useful for the education. Teachers have found ways in order for technology to be more beneficial rather than detrimental to students. The use of televisions for certain classes allows the students to properly visualize the topics. Also, social media have been grounds for teachers to share their materials to the students and students to their co-students.
A career is something that can last forever well a non career is a thing that can end quickly