Most were mainly symbolic, including the pledge by Beijing and Washington to stop targeting nuclear missiles at each other.
The G8's past promises, including the pledge to lift 50m people out of poverty through agriculture, must now be kept.
It sure read like one, though, including the pledge by Google's founders -- Sergey Brin and Larry Page -- that their one-of-a-kind company with the "Don't Be Evil" motto will remain committed to making the world a better place.
Analysts were broadly encouraged by the content of today's letter, including the pledge that Barclays has £17bn more capital than it needs to meet the Financial Service Authority's minimum requirement.
He is the author of numerous books published by the University of Chicago Press, including The Pledge.
A second agreement was reached with "oral side agreements" that weren't part of the written pact, including the pledge on the authorized generic, the Apotex filing said.
London's successful bid for the 2012 Olympics included the pledge to improve services, infrastructure and transportation in the long-neglected East End.
Last month it emerged that a successor group to Vote Leave, Change Britain, had not included the pledge among its aims.
"Speaking with many of my freshmen colleagues, for us, myself included, the pledge, the $100 billion, was simply a start; it was simply a floor," Mr. Mulvaney, the South Carolina freshman, said at a news conference to unveil the study committee's proposal.
