Give an overview of how the Black Plague affected European population.

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Explanation:

The Black Death was the second disaster affecting Europe during the Late Middle Ages AKA "the first one being the Great Famine" and is estimated to have killed 30% to 60% of Europe's population. In total, the plague may have reduced the world population from an estimated 475 million to 350–375 million in the 14th century.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.