Why did some states require voters be able to read and write?

Is british society today better than it was 400 years ago?

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence.b. respect for persons.c. justice.

Which of the following statements concerning brazil since independence is not true? brazilians today can participate in politics through voting. brazil has been governed by dictators and elected officials. brazil became independent from portugal in 1822. brazil was the first country in the americas to end slavery.