The phrase "allowed it to keep" is correct and usable in written English.
You can use it when discussing permission granted for something to continue or persist.
Example: "The committee allowed it to keep functioning despite the challenges it faced."
Alternatives: "permitted it to continue" or "let it remain".
Such displays are guaranteed to irritate China, which took Hong Kong back from Britain in 1997 and allowed it to keep its different political and legal system but which is believed to be increasingly impatient with the depth of anti-Communist feeling here.
Britain handed Hong Kong back to China in 1997 under a deal which allowed it to keep its wide-ranging freedoms and autonomy.
In recent weeks, in fact, Mr. Rajoy had sought to have funds injected directly into the banks without the government having to act as middleman, a move he had hoped would have allowed it to keep the assistance off its balance sheet.
That's because, when the company emerged from bankruptcy it made a deal that allowed it to keep $18 billion in losses on its books.
"We have accepted violence and allowed it to keep happening".
But through extraordinary means, the owner won federal approvals that allowed it to keep operating.
By observing the galaxy, researchers determined that it still maintains some of its spiral motion, allowing it to keep its structure.
And Toshiba's Torneo Robo empties the dirt its gathers into its dock, allowing it to keep working without human intervention for extended periods of time.
Mr. Kittaneh's company, Amerisleep, manufactures and sells its own mattresses and bedding, which it says allows it to keep its prices down.
It added that its trading division had performed better in the third quarter, allowing it to keep its full year earnings target of $2.5bn to $2.6bn for the division.
The company is taking advantage of a law approved last year that allows it to keep its financial data confidential until three weeks before its shares are marketed.
