Smoking actually increases certain infections.
The Punic Wars were a series of three wars between 264 and 146 BC fought by the states of Rome and Carthage. ... By the terms of the peace treaty Carthage paid large reparations and Sicily was annexed as a Roman province.
Tropical rainforest, the high mountains and wild rivers were some of the physical obstacles that the Incas faced. They had to build a complex network of roads to link the entire Inca empire. They had messenger stations along these roads so that they could relay their messages, and they built shelters along the way for travelers.
I would go with Brown v Board of Education. It gave more rights to African Americans and made them one step closer into beating segregation. Through the court case, segregation in schools was deemed unconstitutional, and so was segregation in other public places.