The phrase "alleviated the need" is correct and usable in written English.
It can be used when discussing how a certain action or solution has reduced or eliminated a requirement or necessity.
Example: "The new policy alleviated the need for overtime work, allowing employees to maintain a better work-life balance."
Alternatives: "reduced the necessity" or "lessened the requirement."
Increased oil revenues have alleviated the need for some of that aid, and Mr. Bush, during and after his campaign, suggested that he saw no role for the United States in continuing economic aid to Moscow.
Not to mention cuts to Head Start and LIHEAP, the energy assistance program that had alleviated the need for families to choose between paying their heating bills and buying food.
Using the oligomer mixture as a target alleviated the need for SDS-PAGE separation and avoided the presence of SDS in the preparation altogether.
This increased our confidence in hosting discussion groups as couples, and alleviated the need for expanded single sex discussion groups.
Because Myc has recently been found to upregulate mRNA capping of target genes [ 43, 44], trans-splicing might have alleviated the need for keeping the Myc gene.
A brief recovery in groundwater storage is apparent from June 2009 to March 2010, when moderately wetter conditions provided a combination of potential groundwater recharge and temporarily alleviated the need to augment surface water supplies.
National bookstore chains made books more widely available, alleviating the need for mail-order services.
New Democracy's victory appeared to alleviate the need for any coordinated action by central banks.
But that does not alleviate the need to respond to a crisis for the people here, he asserts.
Nevertheless, museums are labour-intensive, and the extent to which new technologies can alleviate the need for labour is limited.
Embracing hydropower will alleviate the need for "big power plants which cause a lot of pollution," the government said.
