The answer is Emperor Hulagu. He sent wanted the Caliph (Al-Musta'sim) to demanded him to surrender the Capital. He promised to continue a governance and security to the land. However, Caliph (Al-Musta'sim), did not agree to Hulagu's terms and demands. T<span>he Caliph (Al Musta'sim) refused despite the weak military condition of his territory. Hulago made an embargo on Baghdad and soon entered the city and killed Abbasi caliph (Al-Musta'sim ).</span>
1859 - Natural Selection - Charles Darwin wrote “On the Origin of Species by Means of Natural Selection, or the Preservation of Favored Races in the Struggle for Life
1865 - Heredity Transmitted in Units - Gregor Mendel’s experiments on peas demonstrate that heredity is transmitted in discrete units. The understanding that genes remain distinct entities even if the characteristics of parents appear to blend in their children explains how natural selection could work and provides support for Darwin’s proposal.
1869 - DNA Isolated - Frederick Miescher isolates DNA from cells for the first time and calls it “nuclein
i think any of will work
<span>General William Tecumseh Sherman</span>
