It was true that many troops were sent to Mexico based on the announcement that president Trump had made together with the Mexican president. According to their agreement terms, they signed an agreement that allowed the troops to go to Mexico and support their forces in ending the crisis that had engulfed for a long time.
The negotiation was mainly about the exports, and the troops were to protect the borders through the laws that had been passed to protect the data that will enter and leave a given country subsequently.