Sentence:  After Bardus, the Celtes ... were in short tyme, and with small labour broughte vnder the subiection of the Giaunt Albion, the sonne of Neptune, who altering the state of things here in this yland, <WSD>straited</WSD> the name of Celtica and the Celtes within the boundes of Gallia ... 
Meaning of the word marked with <WSD> tags:  To confine; put to difficulties.