Central American migrant families recently released from federal detention wait to board a bus in McAllen, Texas on June 11, 2019 (Photo: AFP/Getty Image)

The Republican-controlled Senate voted 84 to 8 for the bill, which will allocate nearly 3 billion USD for the Health and Human Services Department's program to house unaccompanied migrant children, allowing it to expand its capacity. The vote came a day after the House of Representatives passed a measure authorizing 4.5 billion USD in aid.