Which did president andrew jackson oppose?

the spoils system
the trail of tears
the electoral college
the presidential veto power

Explanation:

In 1824 some state political groups encouraged around Jackson; by sufficiently 1828 had joined "Old Hickory" to win various state decisions and control of the Federal organization in Washington.  

In his first Annual Message to Congress, Jackson prescribed dispensing with the Electoral College.

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the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.