Answer:trading with outside partners to bring in surplus food.
building projects ensured their power would not be challenged.
the building of a postal system to increase the economy.
irrigation systems made trade possible because of surplus crops.
Explanation:
I believe this is a bad description of schizophrenia
Answer:
True, every relationship has problems
The best and most correct answer among the choices provided by the question is the second choice.
<span>Experts argue that a significant water shortage by 2025 will be caused by drastic increase in water usage caused by humans.</span>
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