What sweapt through the roman empire killing ten percent of the population in the third century ad

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.