<span>C. Pick presidential and vice-presidential candidates</span>
A republic is the correct answer
We can say that Hears was one the most important factors in that contributed to the start of the Spanish-American War. His newspaper had sensationalist news and that greatly over-exaggerated the events that happened. He was instrumental in influencing public opinion on the situation which pushed government to intervene.
Li Bing's Irrigation System consists of three main constructions that work in harmony with one another to ensure against flooding and keep the fields well supplied with water: ... This ensures against flooding by allowing the natural swirling flow of the water to drain out excess water from the inner to the outer stream.
