Jamar enters a clothing store and a security guard immediately notices him and follows his actions on a security monitor. jamar is aware of the security guard's actions and adjusts his own behavior to avoid a potential confrontation. this is a contemporary example of which sociological concept developed at the turn of the twentieth century

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer