"reflected an effort" is correct and usable in written English.
You can use it to refer to the effort of something or someone. For example: "The successful completion of the project reflected an effort from the entire team."
Mr. Van Hollen said in an interview that the lawsuit reflected an effort to use "all available options" to reduce the influence of anonymous corporate money.
Councilman Angel Rodriguez, a Democrat from Brooklyn, said that while the program reflected an effort to diversify, he was not satisfied.
But on Friday, he said that after reading more deeply, he felt that some exchanges reflected an effort to block the release of data for independent review.
The agenda, which was designed to create an air of Party unity, reflected an effort to appeal to predominantly moderate undecided voters and also to rally the party's conservative base.
Michael R. Taylor, deputy commissioner for foods and veterinary medicine at the F.D.A., said the different options simply reflected an effort to be flexible regarding a very complex food supply.
JACK LYNCH SEARCH ENGINE CHALLENGE The Justice Department's settlement of a criminal investigation of Google for allowing Canadian pharmacies to advertise drugs for distribution in the United States reflected an effort to extend the reach of federal drug laws.
It also reflects an effort to appeal to multiple audiences.
He later added, "It reflects an effort to avoid this debate going forward".
The new budget request reflects an effort to address those weaknesses.
The Justice Department inquiry, however, may reflect an effort to rein in the products without legislation.
The deal reflects an effort by Johnson & Johnson to build its cancer drug business.
