The correct interpretation of the purpose of the Administrative Procedure Act of 1946 (APA) is:
The APA established the rulemaking process to check the power of the executive branch and involve the public in creating rules for enacting new laws.
The APA was designed to ensure that the rulemaking process is transparent and participatory, allowing for public input and scrutiny of the regulations created by executive agencies. This involvement helps maintain a balance of power between the branches of government and prevents the executive branch from overstepping its bounds without accountability.