B. Harmed because they brought deadly diseases
Laws were state and local to enforce racial segregation in the Southern United States.
Radiocarbon dating is the method of dating bone that would yield the most accurate results. This kind of dating technique is used for determining the age of any object that contains organic materials in it. This is the method that was developed by a person named Willard Libby in the late 1940s. Libby got the Nobel Prize in the year 1960 for his great work.
A is correct because germany was blamed for WW1 and they had to pay large amounts due to the treaty and it started theyre anger