Final answer:
During the Jacksonian Democracy era, the Whigs taking control of Congress completes the diagram. correct option is 4.
Step-by-step explanation:
The best option that completes the diagram under Jacksonian Democracy is The Whigs take control of Congress. During this time period, the Whig Party emerged as an opposition to Andrew Jackson and his Democratic Party. The Whigs believed in a stronger central government and supported industrial development. After Jackson's presidency, the Whigs gained control of Congress, which marked a significant shift in political power.
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