If I write a ticket to an officer on another agency, and a mutual aid agreement causes us to work together in a major event, would I rather he or she get my back, or be thinking about that ticket I wrote them a few weeks ago?

FORBES: Q: What are some cultural faux pas in police departments?

Fedenaga announced that it was setting up a fund for mutual aid against land invasions.

ECONOMIST: Venezuela

IR--An alliance is a formal treaty or agreement between states, commonly for the purpose of mutual aid in the event of war against a common enemy.

ECONOMIST: No to NATO expansion

They had made themselves party to a victory and lived by their principles, especially those of solidarity and mutual aid.

NPR: Excerpt: 'Estrellas y Rascacielos'

Today investors are more aware than ever that they can, with the aid of the internet, see mutual fund portfolio holdings on a timely basis, even daily in some cases, and duplicate them in their own portfolios.

FORBES: Pensions Funds: Funding Unsavory Practices of Venture Capitalists (May 1, 2000)

Alongside the Welsh government's strategic stock holdings and "mutual aid" agreements between authorities it gave "greater resilience" to winter weather at a national level, he said.

BBC: Road salt stocks at 'record levels' ahead of winter

As an antidote to this picture, he offers plenty of evidence of apparently selfless sacrifice, unforced sympathy, co-operation and even a keen sense of fairness in our closest animal relatives, who evolved to reap the benefits of mutual aid.

ECONOMIST: The evolution of empathy