Advances in all the following except have led to rapid population growth in recent years.
a) sanitation b) farming methods c) medicine d) computers i got b. am i right?

the roman army grew in size and became dominant in the mediterranean region.

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

this question shoud be under spanish category, not