Answer:
Gunpowder
Explanation:I think it is gunpowder because they had gunpowder in the west for fighting of Indians
Julius Caesar did indeed commit treason by crossing the Rubicon because it was legally proscribed that if any army-leading general crossed the boundary it would start a coup d'etat which was strictly forbidden. Because of the crossing, it started the Roman Civil War.
A. in order to pay of monetary debt i’m pretty sure