I'm not sure if there were supposed to be options for us to choose from along with this question, but one conflict that arose during the Civil Rights Movement was segregation or Jim Crowe Laws.
The lozenge and the wafers were the two important things Oliver Chase invented.
For most part of his life William Blake was not recognized as the great artist he is considered today, and it was mainly because of the lack of technology to print his engravings. He is considered as the Complete British Artist, he was a poet, a painter and an engraver, so his work needed to be seen from three angles to be fully understood.
The answer to this question is his engravings.
<span>Henry James & Samuel Langhorn Clemens</span>