The Cotton Gin changed agriculture in the South by making cotton the dominant crop. The cotton fields used slaves to pick their cotton and once the Civil War ended, they had lost most of their workers. This led to a decline of cotton. The correct answer is B.
Mary Mallon (September 23, 1869 – November 11, 1938), also known as Typhoid Mary, was an Irish-born cook believed to have infected 53 people with typhoid fever, three of whom died, and the first person in the United States identified as an asymptomatic carrier of the disease.
The Taira and the Minamoto clans were the two greatest warrior clans in Japan.
Answer:
It encouraged immigration of skilled workers, is the correct answer.
Explanation:
Immigration and Nationality Act of 1965, also known as the Hart- Celler Act, was signed and passed into law by Lyndon B Johnson. This law ended<em> The National Origins Formula</em> which was a major cause of discrimination in American Immigration Policy. It discriminated against the Eastern, Southern, Northwestern Europeans and Asians. During the Civil Rights Movement, the National Origins Formula came under attack and a bill was introduced to repeal this formula. The bill was opposed by southern democrats.
The Hart- Celler Act created the Seven Category preference system which gives priority to the relatives of US citizens and legal permanent residents, as well as persons with specialized professional skills, exempting the US citizen's relatives from numerical restrictions.
It maintained per- country and total immigration limits and also put limits on the immigrants from the Western Hemisphere.