To have checks like medical check and criminal check to make sure the person is safe to come to the US. Like they won’t allow criminal immigrants or they don’t want to spread disease.
Answer:
c because talked mire about
The Toltecs were responsible for establishing a variety of the basics that the rest of their Central Mexicans would follow. However, the Toltecs could not establish the major cities and trading centers that people like the Teotihuacanos and the Aztecs would later establish.
