How did flooding rivers contribute to the beginning of farming communities?
a. they irrigated the crops when they overflowed.
b. they created a marshy environment good for planting.
c. they provided water and stayed within their banks.
d. they left rich soil when floodwaters receded.

question is unclear.

i can't sorry.

post the full question so i can .

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

click to let others know, how is it

explanation: