In 1900, residents who traced their origin to Latin America or Asia each accounted
for?

In 1900, they were in less than one per cent of the population.

Explanation:

In 1900, residents of American traced back to European nations. People arrive from Europe to America to escape debt, conflicts, and poverty. During the late 1800s and in the early 1900s, population growth and industrial expansion in the cities became common. Cities filled with buildings and people who engaged in trade and commerce. From 1900 more than 15 million immigrants arrived in the United States. They were from non-English speaking European countries; southern and eastern Europe, particularly Poland, Italy and Russia.

yup! you are correct it is b.

the reform movements that arose during the antebellum period in america focused on specific issues: temperance, abolishing imprisonment for debt, pacifism, antislavery, abolishing capital punishment, amelioration of prison conditions (with prison's purpose reconceived as rehabilitation rather than punishment), the humane treatment of animals, the humane and just treatment of native americans, the establishment of public institutions for the care of the destitute, orphans, blind, and mentally ill, the establishment of public schools, the abolition of tobacco use, vegetarianism, health reform, homeopathic medicine, woman's rights (including, at first, especially the establishment of a woman's right to own property apart from her husband and her right to sue for divorce), and the amelioration of labor conditions (including higher pay, the right to form unions, the right to strike, and the demand for limits on the number of work hours, and safe working conditions).

explanation: