The byzantine empire was established in 330 ce and fell in 1453 ce. according to the timeline, the empire's reign took place during which two eras?

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.

What was the main aim of operation torch which was launched by the allies

Indicate the point where a monopoly will set its price