The phrase "a pledge to close" is correct and usable in written English.
It can be used when referring to a commitment or promise to bring something to an end or to finalize a matter.
Example: "The company made a pledge to close the deal by the end of the month."
Alternatives: "a promise to conclude" or "a commitment to finalize".
President Obama's first executive order was a pledge to close Guantánamo.
He began his presidency with a pledge to close the military prison at Guantanamo Bay within a year.
This week, Geraldo Alckmin, who is seeking re-election as Sao Paulo's governor, fulfilled a pledge to close Carandiru, a squalid and escape-prone jail.
PARIS — With the Obama administration struggling to fulfill a pledge to close the Guantánamo Bay detention center in Cuba, the Irish justice minister said Wednesday that his country would accept two prisoners for resettlement.
There was no sign of progress on Washington's desire for Europeans to accept prisoners from Guantánamo Bay, as Mr. Obama moves to redeem a pledge to close the detention center in Cuba.
He combined an unmistakable break with failed austerity economics with a pledge to close the deficit through investment-led growth and a crackdown on corporate tax-dodgers, instead of "on the backs of middle and low earners".
Obama did, after all, pledge to close the detention camp back in 2007 (114 prisoners still remain).
Despite a campaign pledge to close the prison established to hold terrorism suspects after the September 11 terrorist attacks, Obama has faced sustained resistance in Congress to transferring the inmates, especially to American prisons.
The video was a setback for President Obama, who had been inaugurated days earlier and had made a high-profile pledge to close Guantánamo - where nearly half the remaining inmates were Yemenis - within a year.
They are rallying behind Mr. Cuomo's pledge to close a shortfall of more than $9 billion by reducing the state work force by up to 15,000 employees and drastically reducing spending in areas like Medicaid and education.
WASHINGTON — With six months left before a White House deadline, the Obama administration is struggling with legal, political and logistical problems that are casting a cloud over President Obama's pledge to close the detention center at Guantánamo Bay, Cuba, by January.
