What was the main effect of poll taxes and literacy test put in place in the south at the end of the 19th century

Ineed to write an essay about harriet tubman

The bloodless, or glorious, revolution in 1688 a. encouraged nobles in their quest to recreate a feudal society. b. ended the commonwealth and restored james ii to the throne. c. placed mary and william, both protestants, on the throne. d. restored property rights to those who had lost them as a consequence of the english civil war.

Which statement is true of both presidential and parliamentary systems of government?