<human>:  Why did the English lose at the Battle of Berkeley Castle?
<bot>: The English were outnumbered by the Scots. The English were also outnumbered by the Welsh, who were allied with the Scots. The English had a lot of archers, but the Scots had many more spearmen. The English had a lot of knights, but the Scots had many more foot soldiers. In the end, the English army was defeated.