Final answer:
The principle is often associated with the Elastic Clause of the Constitution. The Elastic Clause grants Congress the authority to make laws necessary and proper for carrying out its constitutional responsibilities.
Step-by-step explanation:
The principle that allows the federal government to adapt to changes in society and technology that the framers couldn't have foreseen is often associated with the Elastic Clause of the Constitution. The Elastic Clause, also known as the necessary and proper clause, grants Congress the authority to make laws that are necessary and proper for carrying out its constitutional responsibilities. This clause has been used to support the federal government's involvement in various policy matters and has allowed Congress to exercise implied powers that are not explicitly stated in the Constitution.