What was a cause of the Boston Massacre? O The British prevented colonists from settling in the Ohio River valley
o The British stopped the colonists from having town meetings.
O The British forced colonists to buy tea exclusively from the East India Company
o The British passed new taxes on glass, paper, and tea.

the british passed new taxes on glass paper and tea

Explanation:

this caused great uproar and riots making the british suppress them

the answer is

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: