What seems to be the key factor (although not the rule) to upward social mobility in the us?

To gain in upward social mobility in the United States, one must have the appropriate connections and social networks. From employment opportunities to investments and other means of social and financial gain, the informal social network is the best way, and key factor, in becoming upwardly mobile.

The purpose of posters are to educate and create awerness on what is happening on a topic.

Intended audience are the passer-by and those who stumble upon it online and children and those who practice them e.g a poster about what happens to those who smoke.

Like I said to educate and teach on the dangers of doing them.and also for awerness

Explanation: