The answer to this problem is the letter D which is referring to "ending the legal status of slavery". It was Randolph in the year 1963 who never stopped and who is the constant critic of discriminators against black. It was then realized the contributions of black workers in the economy and drew riot by black.
Answer: People cut down about 15 billion trees every year, some of them to make paper. Save your sheets by using the back, buying recycled paper, and asking your teacher to sometimes switch from printed homework to online assignments.