Why did south carolina oppose the tariff of 1828?

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.

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.