[Source.](https://thenationalpulse.com/2024/07/23/migrant-caravan-begins-march-on-u-s-hoping-to-arrive-before-trumps-reelection/) > Hundreds of illegal aliens from around 12 countries are marching from southern Mexico towards the U.S., aiming to reach the southern border before potential border closures if former President Donald J. Trump wins is reelected in November. > Miguel Salazar, a Salvadoran, expressed fear that a restored Trump administration could stop letting in migrants through CBP One, an app used for scheduling appointments at U.S. border posts to present asylum claims. The app is accessible only once migrants reach Mexico City or northern states.