Thomas saint created the sewing machine in 1790
Answer;
-West Africans were already to the Europeans diseases
Explanation;
They originally enslave American Indians, but three things put a stop to it. First, the Indians were all dying of epidemic diseases, which Africans had already been exposed to. Second, the Indians, being native, had a better knowledge of the land and its peoples, which made escape/revolt attempts more likely to be successful. Third, in response to debates about Spain and Portugal's treatment of indigenous people, the pope issued a bull in 1531 that banned the enslavement of American Indians.
As to why Africa, slavery had already existed in Africa for centuries. The Spanish and Portuguese had been exposed to it through their contact with the Moors of North Africa. So when they needed more labor in their American colonies, they simply bought slaves from one of the various kingdoms of West Africa and shipped them overseas.
Assuming that you're referring to the story the Wallce of time, at first she is afraid because the storm seems very powerful. Then, later in the story, she became interested in the science of the storm.
I believe one of them is the Gettysburg Address
Most of Russia consists of two plains (the East European Plain and the West Siberian Plain), three lowlands (the North Siberian, the Central Yakutian and the East Siberian), two plateaus (the Central Siberian Plateau and the Lena Plateau), and two systems of mountainous areas (the East Siberian Mountains in far northeastern Siberia and the South Siberian Mountains along the southern border).