What are the two factors displayed on a supply curve?

I only know 1 but, it's a demand curve :(

Explanation:

(Sorry if this didn't helped.)

harding's opponent in the 1920 election was ohio governor and newspaperman james m. cox, who had won the democratic nomination in a 44-ballot convention battle. harding rejected the progressive ideology of the wilson administration in favor of the laissez-faire approach of the mckinley administration.

b, public works good luck