The caste system is a rigid social hierarchy based on ethnicity in Hindu society. A democracy is government by the people, where power is often exercised through elected representatives. In a caste system, certain voices are valued more than others, while in a pure democracy, all voices and votes are equal. The caste system is not a system of government, though, so it is inaccurate to make a comparison.
D. Europe, Africa, and North America were the three continents involved in the Triangular Trade
I believe the second answer is B. Oliver Cromwell, but I am not certain
Un organismo genéticamente modificado u organismo modificado genéticamente, también llamado transgénico erróneamente, es un organismo cuyo material genético ha sido alterado usando técnicas de ingeniería genética.
A structure separating land and water areas. It is designed to prevent coastal erosion and other damage due to wave action and storm surge, such as flooding