The phrase "aided in the effort" is correct and can be used in written English.
You can use it when describing someone's contribution or assistance in achieving a goal or completing a task. Example: Together, the team aided in the effort to raise funds for the local charity.
He called on Russia's Muslims to aid in the effort to quash extremism.
Singapore, Malaysia and Australia also dispatched ships and planes to aid in the effort.
He was charged with aiding in the effort to restore Iraqi independence, which hinged on the country's first democratic elections, scheduled for early 2005.
Yahoo began searching for a new chief executive last fall, and hired the executive search firm Heidrick & Struggles to aid in the effort.
The club has been searching for a new home, and this benefit — with a reception at 6 30 p.m., and a concert at 8 — will aid in the effort.
The department plans to commit $900 million to the initiative over three years and has added more than 600 prosecutors and agents to aid in the effort, officials said.
One such effort was a helicopter trip, in her eighties, to an ice floe in the North Atlantic to witness the birth of baby seals and to aid in the effort to protect them.
The Popular Party expected that its impressive economic achievements would cause the Spanish people to overlook Prime Minister José María Aznar's unpopular decision to support the invasion of Iraq and send a symbolic detachment of Spanish troops to aid in the effort.
The officials were joined at a news conference in Long Island City, Queens, by City Councilman Eric N. Gioia and by Representative Anthony D. Weiner, who announced $500,000 in federal financing to aid in the effort.
But Pentagon officials said they were already preparing for an intensely localized search for bin Laden that is yet to come, with Northern Alliance forces and ordinary Afghans likely to aid in the effort.
