If you went door-to-door with a petition trying to get enough signatures for a proposal to be voted on by citizens, what form of direct democracy would you be engaging in

It would be called "Initiative".

The main purpose behind the Initiative processes is problem solving which come up in many democracies of the nations which vary from the common interest of the general population and which cannot be solved by elections.

answer; i believe its called ; checks   and balances;

it would be d). more resources must be obtained to attain that combination of goods and services