Camp fire they could use that for a lot in cold places
The Union won the civil war in 1865.
The answer to this question would be: displacement
The displacement method states that when you put an object into a container full of water, the volume of the object drown will be same as the volume of water spilled. Using this, Archimedes can determine the volume of the crown and then compare it to know that the weight is not same as 100% gold weight.
(the british gained almost all of france's north american territories) which led to the colonies being in debit with Great britain and the british did not let them move west till the debt was paid and this was the a event leading to the Civil war.
