Why did Isigarus banish Cleisthenes

Explanation:

{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}{ \large{➺ \:  \:  \bf{a + b + c = 12}}}

because they were getting under attacked

bro where is your chart