Which of the following is the best example of a secondary source? a.
The Diary of Anne Frank
b.
A text book discussing the causes of WWII
c.
A photo featuring a farmer collecting his crop
d.
A television interview with a person who survived Hurricane Katrina
please and thank you if you answered it!

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.

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939