Which discuss the steps in the process that led to the social and political changes in south africa? (select all that apply.) a. social justice crusader nelson mandela was jailed for his activism, yet he saw the end of apartheid and the dawn of nonracial democracy. b. student stephen biko founded a social organization to promote african pride and self-worth, leading to the anti-apartheid movement. c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses. d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.

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explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.