Based on the data in Figure 3 and Table 2 we've already seen that in the US there is race and ethnicity-based stratification (in Chapter 11 you'll learn more about race and ethnicity issues in society...Based on the data in Figure 3 and Table 2 we've already seen that in the US there is race and ethnicity-based stratification (in Chapter 11 you'll learn more about race and ethnicity issues in society) along with sex-based stratification (in Chapter 10 you'll learn more about the gender issues in a society).