Cite evidence of the corruption of the spoils system

This system takes its name from an 1832 speech by William Marcy.Andrew Jackson later proclaimed a policy of "rotation in office" to curb official arrogance and corruption and democratize opportunities for public service. Disclaiming anyone's inherent right to continue in office, Jackson dismissed political foes along with some career bureaucrats, replacing them with newspaper editors and other active supporters.

I’m pretty sure it’s 4, you can check on the calculator