Julius Caesar's first invasion of Britain, in 55 B.C., was unsuccessful, as he timed the attack in late summer and could not maintain the assault throughout the cold British winter. The second invasion, however, took place in the summer of 54 BC and comprised a much larger number of ships. In this campaign, Caesar's troops overwhelmed the most powerful tribes in the area and installed a new king that was friendly to the Roman Empire. The second conquest of Britain did not take place until 43 A.D., when Claudius reigned. After these battles, the Romans established a new capital at Camulodunum and maintained control of most of the British isles for the next three centuries. According to the passage, which of the following is true?