The correct option is D
The Niagara Movement was a civil rights organization for blacks founded in 1905 by a group led by W. E. B. Du Bois and William Monroe Trotter. It was named for the "powerful current" of change that the group wanted to carry out and for the Niagara Falls in Canada, where its first meeting took place in July 1905. This movement was a call for opposition to racial segregation and the deprivation of civil rights, they also opposed housing and conciliation policies promoted by African-American leaders such as Booker T. Washington.
I believe that d should be false because if both sides wanted to secede, then neither side would have a problem splitting apart and thus there would have been no reason for the Civil War in the first place.
The correct answer to this open question is the following.
The historical circumstances that led to Mao Zedong’s delivery of the speech entitled "Proclamation of the Central People’s Government of the People’s Republic of China," were the following.
Mao Zedong (1893-1976) led the Communist Army during the Chinese Civil War. He led the troops that defeated the Nationalist Army and that is why he became the leader of China and got to power in 1949. After led almost 100,000 people in the so-called "Long March," Mao counterattacked and defeated the troops of Chiang Kai-Shek. So on October 1, 1949, in front of his followers gathered in Tiananmen Square, Mao established the Communist government of the People's Republic of China.
The Antebellum Cottonocracy was known as the period of the "Cotton Boom" in the south. This good's value was increasing as the demand for it overseas started to grow. This period also coincided with "The Gilded Age", which was a period of great economic growth and many demographic changes, as the United States received a great number of immigrants coming majorly from Europe.
Cotton businessmen had great influence over the southern state as their economic power rose. Slavery continued to be a key factor in the growth of the industry, as enslaved people would be used as workforce along with technological developments in order to increase the production.