This should be false. Under the articles, the states were acceptably stable. The problem was that the national government its self was weak and had no money as they had no authority to tax the states. This change with the constitution which still keep the states as states but adhered much more to the new, divided government that did have the authority to impose a national tax on states. This also brought a bigger sense of unity within the states over time and the national governments strength would grow over time. Hope this helps or answered the question/statement.<span />
The first inventions that harness natural energy resource is Water mill. Back then, people use the power of water to move the lever in order to create mechanical movement.
The invention that help transfer water from river to town is aqueduct. Or more commonly knwon as water bridgte, useful to navigate the movement of water.
Lever is the invention that makes lifting weight easier, mostly used in contruction sites.
During the cold war the US and Russia both had nuclear weapons because If one side decided to attack the other it was ensured that the other would see equal or even more destruction. Basically the mutually assured destruction or MAD deterred people from attacking because they knew they would be destroyed aswell in turn. Preventing military conflict by the mutual understanding that if you provoke or attack us it wont be to far away from us attacking you back
C. Fur trading because they used to use the skins of animals such as beavers
