What dangers were faced in trying to move colonial mail?

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

there was a king, priests, and peasants.