Final answer:
Andrew Jackson increased the role of the presidency in government through the use of the veto power and implementing the spoils system.
Step-by-step explanation:
Andrew Jackson increased the role of the presidency in government.
One piece of evidence is Jackson's use of the veto power. He vetoed more legislation than all of his predecessors combined, showing a willingness to assert his power and influence over the legislative branch.
Furthermore, Jackson also implemented the spoils system, where he awarded government positions to political supporters, thereby increasing the president's control over the executive branch.
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