The best option from the list would be that "Horace Mann" is best associated with education reform in the U.S., since he sought to reform the system before "reform" in the realm of education was popular.
The correct option is AFRICAN NATIONAL CONGRESS.
The African National Congress was founded in Republic of South Africa, it was a social democratic political party. It is a national liberation movement, which was formed in 1912 to unite the African people and to spearhead the struggle for fundamental political, social and economic change in order to create a united, non racial democratic society.
A muckraker is a journalist who devotes their work to uncovering topics that might be overlooked or ignored by the powers that be. That said, a muckraker is D a writer who exposes unsafe working conditions.
The correct answer is D. Taxation without representation is still and issue to this day because Texas is one of the states left to permit this practice. Slavery was abolished in Texas in 1860 , after the revolution.
I believe one of them is the Gettysburg Address