Specifically, within directed reciprocation cooperation is thought to be maintained when partners prevent one another from pursuing their own selfish interests ("cheating"), such as retaliation against cheating.
If the First Amendment prevented one, it prevented the other.
Washington might prevent one or another group from taking power in Baghdad or elsewhere, but already has demonstrated its inability to determine Iraq's future direction.
The inclusion of various stakeholder perspectives prevented one-sidedness.
"You try to prevent one problem, but create another one".
The laws of a secular society should prevent one religion from dominating another.
Although all the traffic in a building goes through the same piece of equipment, Intellispace officials say internal controls prevent one client from seeing another's messages.
Furthermore, Israel currently prevents one Palestinian from marrying another from Gaza, the West Bank, Syria or Lebanon and remaining within the borders of Israel, on the pretext of preventing the right of return.
"By keeping each tab in an isolated 'sandbox', we were able to prevent one tab from crashing another and provide improved protection from rogue sites," said Pichai and Upson.
All these can prevent one company exporting to another country.
