True is the answer
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He wanted to build up the nation's army and navy is the statement among the statements given in the question that was one of the policy changes Thomas Jefferson made when he became president. The correct option among all the options given in the question is the last option or option "D".
Answer:implied powers are necessary to carry out expressed powers. Why has the power to regulate interstate commerce become such an important power of Congress? The definition of interstate commerce has expanded to give Congress authority over virtually everything that crosses state lines.