What is necessary to convict someone of treason?

1. there must be 2 or more witnesses
2. If caught try to over throw or kill a ruler/ any act of betrayal will be convicted as treason. Mutiny 

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.