The second occurs when an agent's action alters its environment such that the environmental changes made by a different agent are also modified.

I know my actions directly alter the course of people's lives.

He said the Council's action would not alter his political style.

Monsanto, one of four manufacturers, said the actions would not alter the drug's development.

Three separate times, a point in physiotime came and passed, during which some simple action of my own might have altered her personal Reality.

Furthermore, the player's actions may alter the prices or even the availability of items available for sale.

As in 1956 and 1968, however, Soviet actions altered Bulgaria's position.

"Today's actions by the Federal Reserve do not alter our basic forecast for the economy."

Military action may take out individual terrorists, but won't alter the conditions that help to produce them.

Most ordinary actions available to you will end in failure and will not alter the outcome of the game.