Complex sentence: In May 1655, around 7,000 English soldiers landed near Jamaica's Spanish Town capital and soon overwhelmed the small number of Spanish troops (at the time, Jamaica's entire population only numbered around 2,500).
Split into simpler sentences: In May 1655, around 7,000 English soldiers landed near Jamaica's Spanish Town capital. The English invasion force soon overwhelmed the small number of Spanish troops (at the time, Jamaica's entire population only numbered around 2,500).