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.
I believe the answer is C. It would have the most economic effect.
Large companies shipping goods in large quantities or over long distances
Taking into account the statement above: "The U.S. Department of Education has found that less than half of all high school seniors in the U.S. are able to handle basic math involving fractions, decimals, and simple algebra."
The answer is: True.
The Indus River Valley's growth is influenced by the yearly monsoons, which first allow for the creation of vast agricultural surpluses before destroying the civilization when the water supply for cultivation runs out.