The battery terminals are represented as electron-source and electron-sink in the user interface of the models. The function of this variable is to stop the model once a certain number of electrons reach the battery positive, and a monitor displays the time taken to fill the electron-sink.
Australia faced the threat of communism after WWII ended in 1945. The threat was known as the Red Menace which was caused by all the conflicts in Asia and also things that were going on in Australia at the time. The Australian government responded to the Red Menace in many ways.
In the second war, the United States replaced France as the major contender against northern-based Communists and southern insurgents. Communist victory in 1975 had profound ramifications for the United States; it was not only a setback to the containment of communism in Asia but a shock to American self-confidence.