Final answer:
IAM policies cannot restrict actions of the AWS root user, so the statement is false. The necessary and proper clause has expanded the powers of the national government, making the statement false. George W. Bush's foreign policy was not characterized by liberal internationalism, therefore, that statement is also false.
Step-by-step explanation:
The assertion that IAM policies can restrict the actions of the AWS root user is false. The AWS root user account is the most privileged user in an AWS account. IAM (Identity and Access Management) policies are used to define permissions for any user, group, or role within AWS. However, these policies cannot restrict the root user's actions, because the root user has full access to all resources in the account and can modify any IAM policy.
Regarding Exercise 9.3.1, the statement that the necessary and proper clause has had the effect of limiting the power of the national government is false. The necessary and proper clause, found in Article I, Section 8 of the U.S. Constitution, grants Congress the power to make all laws necessary and proper for executing its powers. This clause has been used to expand, rather than limit, the power of the national government, allowing Congress to pass laws beyond its enumerated powers.
In relation to President George W. Bush and his foreign policy, the statement that he was a proponent of liberal internationalism is false. President Bush's foreign policy was characterized more by a unilateral approach rather than a liberal internationalist one, which emphasizes global cooperation and multilateral institutions. His administration is often associated with the principle of 'preemptive war' and a more conservative international stance.