It is B, She gave lectures in England about the illegal hangings of blacks in the south.
Source: (Ab) Iconic women of histories: (Civil rights edition)(DOP:2009)
Across the country, state legislators, city councils and college campuses have reconsidered recognition of Columbus Day, with some making the switch to Indigenous Peoples Day. ... “Instead, we should celebrate the rich history and culture of the Native Americans with Indigenous Peoples' Day.”
Answer:
A. US troops arrested many of the strikers
It presented unity and a new direction after the difficult years following World War I.