Answer: They were not every succesful
Explanation:
A is the answer i believe
"To accommodate for lack of dependable rainfall" would be the best option as to why the ancient Chinese organized large groups of people to build and maintain irrigation systems, since when rainfall would not come for long periods of time, the crops would likely die without proper irrigation.
Its really up to you...But a central government is when the government is controlling to unitary state while a strong government is when a federal/national government that has primacy the states/countries are primarily set up to mange the rules.
Make sense? if i did i am happy to help
if i didn't..Im sorry thats the best i can do
Answer:
d trust me on usatestprep