One way in which the ancient Sumerians, Egyptians, and Mayas are similar is that these civilizations developed irrigation systems.
The correct answer is letter b. many countries boycotted south Africa to protest apartheid. For more than 40 years, people inside and outside South Africa protested against the practice of apartheid. Many Black Africans, including Nelson Mandela, were jailed for there opposition to it. The United Nations declared apartheid "A crime against humanity". Many countries cut off trade with South Africa.
Answer:
sorry if wrong
Explanation:
b)a and b are true, c is false
sorry if wrong
What do you call someone who works to protect the environment and natural resources?
Abolitionist
Conservationist ( ✔ )
Federalist
Optimist
