Answer
The association between age and likelihood to buy when made in America: The older people tend to buy when made in America, while the younger ones are less likely to do so. Age and likelihood to buy when made in America come together here.
Work Step by Step
We can easily witness a trend in the graph: As age increases, the height of the blue bar consistently increases, while the height of the green bar consistently decreases.
And since the blue bar represents the proportion of respondents more likely to buy when made in America and the green bar represents that of respondents less likely to buy, this shows that the older people tend to choose the ones made in America, while the younger people are less likely to do so.
That is the association between age and likelihood to buy when made in America here.