The introduction of broad-sail ships from the beginning of the 17th century allowed them to branch out into the Atlantic.
ðɪ ˌɪntɹədˈʌkʃən ʌv bɹˈɔːdsˈeɪl ʃˈɪps fɹʌmðə bɪɡˈɪnɪŋ ʌvðə sˈɛvəntˌiːnθ sˈɛntʃɚɹi ɐlˈaʊd ðˌɛm tə bɹˈæntʃ ˈaʊt ˌɪntʊ ðɪ ɐtlˈæntɪk.