Original sentence: The Wedge strategy is a fundraising document by the Discovery Institute, made public by others in 1997  The Discovery Institute, as part of its many activities, hopes to promote Intelligent Design as an alternative to scientific naturalism, materialism and Darwinism (macroevolution through purely materialistic mechanisms)
Edited sentence: The Wedge strategy is a political action treatise introduced in 1997 by the Discovery Institute, an organization that, as part of its many activities, hopes to promote Intelligent Design as an alternative to scientific naturalism, materialism and Darwinism (macroevolution through purely materialistic mechanisms)