In what 2 ways does the American electoral system tend to promote a two-party system?

How does the electoral system encourage a two-party system? ... voters elect the state party's delegates that will go to their political party's national convention to select the party's candidate.

Explanation:

he was able to speed up production of the processing of seeds

according to my research (britannica and quizlet) the first settlements were along the huang river because it could give the crops more fertile soil that really it out. this was due to the yellow slit caused by floods of the river.