The Black Death is considered as the deadliest pandemic in history. There were four main forms of this plague namely: bubonic, pneumonic, septicemic and enteric plague. It wiped out around 200 million people from Europe and Asia. It was caused by yersinia pestits, a type of bacteria transmitted through flea bites or inhalation. One of the main reasons why the plague spread quickly was the terrible health condition of the city dwellers due to poverty and malnutrition. The great famine of 1315 struck many parts of Europe and it lasted for almost seven years. The famine ultimately weakened the immune system of the dwellers in the cities.
Portugal with arrival of Columbus in 1492
Appeasement was the right choice for Britain because it gave them more time to prepare.
Night vision goggles using image enhancement technology collect all the available light, including infrared light, and amplify it so that you can easily see what's going on in the dark. The other way uses a technology called thermal imaging.
trench warfare is when the 2 opposite sides of the fighting have dug trenches in the dirt and they continue to fire at the opposing side no mans land is the space inbetween the trenches where its the most dangerous