Answer:
Life cycle of the malaria parasite illustrating the various stages that are ... Parasitologists trying to develop vaccines can hardly ever safely grow and ... vaccines for one stage of the life cycle (figure 1) are unlikely to impact on another stage.disappointment as successive, independent field efficacy trials in Africa and Asia .
Explanation:
Answer:
The Treaty of Paris granted the United States title to an extraordinarily vast expanse of land. Over the next seventy years, the United States expanded to the Pacific Ocean and acquired more than two million square miles of contiguous territory through land purchases, treaties, and war.
Explanation:
hope this helps you mark as brainliest
The main reason is that city states were becoming increasingly wealthy
The nation was not unified and every city was a state for itself. This meant that they didn't have to think about the rest of the land and they focused on trading and getting richer and richer. The rich lords and ladies liked art and employed numerous artists to do commission work or to make the state a better place or similar things.
Answer:
Songhai
Explanation:
Under the rule of Sonni Ali, the Songhai surpassed the Malian Empire in area, wealth, and power, absorbing vast areas of the Mali Empire and reaching its greatest extent.
