Answer:the answer would most definitely be the 3rd one you are welcome
Explanation:
<span>During the industrialization of the United States in the 19th century, immigrants were housed in old houses or warehouses, which were bought and divided to be distributed among the families. These buildings did not meet all living standards completely, for example they were very hazardous in the case of a fire, but they were enough for the families trying to earn a living for themselves. These low-cost dwellings were referred to as tenements.</span>
They were ceded by Mexico following the Mexican-American war
Answer:
schools were invented but in Africa schools were introduced by missionaries.