Both had major rivers and dependable flood
The correct answer is option C: someone diagnosed with smallpox.
The person that would have been most grateful for the work of 19th-century scientist Edward Jenner, would be someone diagnosed with smallpox because Jenner was who discovered the first vaccine against the smallpox virus. Moreover, this disease that was widely spread in the 18th century and killed many people.
The correct answer: Break Islamic rule
<span>The pre-condition which had to be accomplished on the iberian peninsula before portugal and spain could unify internally as nations is to break Islamic rule. It is so because most of the iberian is controlled by the Moors, an Islamic people who conquered most of Spain and Portugal. Without the Moors removed, the rulers of both Spain and Portugal are nothing more than usurpers to power, guerillas if you will.</span>
The answer is B. They thought they could benefit from the area's warm climate and fertile soil.
Hope I helped
One observation that I can make is that there is a boy in a puddle of water. I also can see that an animal to the left of the boy.
Hope this helps :)