Straw and mud or clay, or otherwise called adobe (uh-dough-bee)
There military strength, there economy must be stable, and they must have a strong government
Here is what i've gathered from online.
"The Mississippi River flows from its starting point in Minnesota to the Gulf of Mexico, which means it flows south."
I hope i helped, i only researched because i wanted to be sure with my answer.
Answer:
a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
Explanation:
Hope it helps