John quincy adams major accomplishments during his presidency definition

He majored in 10 great accomplishments: 
1.  He served as the U.S. Ambassador to several Nations.
2. He was the leading American negotiator in the Treaty of Ghent.
3. John Quincy Adams is considered one of the greatest secretaries of States.
4. He negotiated the Florida Purchase Treaty with Spain.
5. Adams was the author of the Monroe Doctrine. 
6. John Quincy Adams served as the sixth U.S. President from 1825 to 1829.
7. Several infrastructural projects were undertaken during his presidency.
8. Adams helped resolve the Nullification Crisis.
9. John Quincy Adams was a prominent opponent of slavery.
10. He was the primary supporter for establishing the Smithsonian Institution.

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