In the poem Mexicans Begin Jogging the border the character must cross is a physical border and it affects the character by forcing him to flee from the factory he worked at. The border is revealed in the following lines from the poem, Until the border patrol opened / Their vans and my boss waved for us to run. What does the author illustrate?

The author illustrates the theme of immigration and the challenges faced by individuals who are forced to cross physical borders in order to escape difficult circumstances. In the poem "Mexicans Begin Jogging," the character's need to cross the border is evident in the lines "Until the border patrol opened / Their vans and my boss waved for us to run." This suggests that the character and others are attempting to illegally cross the border, likely in search of better opportunities or to escape a situation that forces them to flee from their workplace. The author uses these lines to portray the struggles and risks that individuals may face when navigating physical borders and the impact it can have on their lives.