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

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.

hello answer is b i hope that helepd.