What direction are the sailboats, barge, and tugs traveling? Explain your reasoning.

the answer is b.2008 and 2012 were presidential election years.

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

explanation:

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.