Complex sentence: A more extensive tariff was adopted in 1656, and various restrictions in harmony with mercantilist ideas of the time were enforced, French wines, silk and wool being exempted from 1649 to 1656.
Split into simpler sentences: A more extensive tariff was adopted in 1656, and various restrictions in harmony with the mercantilist ideas of the time were enforced. Thus French wines, silk and wool were excluded from 1649 to 1656.