It is said that someone in the woods fire their gun three times hide until all the soldiers came toward them then surprised attacked the soldiers that came to the woods to check where the firing came from. Then again this is just a rumor, I don't necessarily know what exactly happened but you should get at least an idea of what happened.
--source Abeka history of the world 12th edition senior level.
Well that's easy it's the last one that all slaves should be freed through the United States.
José Protasio Rizal Mercado y Alonso Realonda
It peaked in Europe between 1348 and 1350 and is thought to have been a bubonic plague outbreak caused by Yersinia pestis, a bacterium. It reached the Crimea in 1346 and most likely spread via fleas on black rats that travelled on merchant ships. It soon spread through the Mediterranean and Europe
The answer is (B) hydroelectricity