In athens council of 500 what did councilmen do

The councilors managed the organization of the work of the assembly of the people, the ecclesia.

Explanation:

The Council of the Five Hundred was an important legislative body which divided the functions formerly controlled by the Athenian Areopagus controlled by the aristocrats. Ecclesia was a broader institution where citizens could approve or reject laws developed by Ecclesia. Finally the Helieu would be composed of judges in charge of judging the Athenian citizens according to the written laws.

they died because of a disease during the first spanish colonies.

b) the confederacy had to pay all union war expenses.