The answer to 1 is c) the surplus of crops leading to low prices
i dont know 2
Japan refused to surrender after the first bomb was dropped
In AD 43 the Roman conquest of Britain began; the Romans maintained control of their province of Britannia until the early 5th century. The end of Roman rule in Britain facilitated the Anglo-Saxon settlement of Britain, which historians often regard as the origin of England and of the English people.
a model of the Solar System in which the Earth and planets revolved around the Sun,