By the end of the 1920s, the economic good times of the era became threatened by:
a) a lack of credit and a steady decline in worker productivity.
b) restrictions that limited how many stocks an individual could own.
c) uneven distribution of wealth and growing consumer debt.
d) all of the above

detente translated to english means politics

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.