What measures did the Athenians take to make elections, In their eyes fair?

PS: HELP ME

In governance, sortition (also known as selection by lottery, selection by lot, allotment, demarchy, or stochocracy) is the selection of political officials as a random sample from a larger pool of candidates.[1] Filling individual posts or, more usually in its modern applications, to fill collegiate chambers. The system intends to ensure that all competent and interested parties have an equal chance of holding public office

Different trial court