Answer:
I think it is "c", but I'm not sure.
Explanation:
The legend states "Migration Corridors". The map is portarying the massive migration process done by African Americans from 1916 to 1970.
"the shot heard round the world," it signaled the start of the American Revolution and led to the creation of a new nation.
After the 18 August rally, the Cultural Revolution Group directed the Red Guards to attack the 'Four Olds' of Chinese society (iold customs, old culture, old habits, and old . For the rest of the year, Red Guards marched across China in a campaign to eradicate the 'Four Olds'.
