What method did americans use to improve their roads in the early 1800’s?

a. began using gravel beds
c. began using wood planks for support
b. widened the roads
d. none of the above

accomplishment : zachary taylor’s was a national war hero in his battle in an mexican war

explanation:

he was known as a national war hero for his battles in the mexican war, taylor was elected as the 12th president of the united states in 1849. he led the nation during its debates on slavery and southern secession. after serving only 16 months in office, taylor died from cholera morbus on july 9,