What was an effect of the industrial revolution at the end of the 19th century

One day as your professor is driving to work, another driver runs through a red light and hits his car. the professor is shaken up but survives the accident. however, the next time he starts to enter the intersection,he becomes nervous and fearful. soon,he starts going to work via another route to avoid the intersection even though this route adds twenty minutes to his commute in each direction. according to the principles of classical conditioning, why does the professor become scared of the previously harmless intersection? what can he do about this, as going via other route is very time consuming? be specific. break down the situation into its parts and show how the principles of learning apply.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries