2. how did the automobile and airplane industries affect american life in the 1920s? !
select the three correct answers.
a. they forced rural families to remain isolated.
b. they led to urban sprawl as cities spread in all directions.
c. they led to a decrease in the construction of paved roads.
d. they reduced the ability of workers to live far from their jobs.
e. they allowed passengers to travel across the atlantic ocean.
f. they provided an economic base for some cities where manufacturing took place.