The best option from the list as to why Britain restricted trade with the colonies is "<span>to ensure that trade generated taxes for the Crown", since these were the famous Navigation Acts that helped lead to the Revolution. </span>
b. To ensure that trade generated taxes for the Crown.
English financial approach was mercantilist in nature. The British Parliament established such instruments as protectionist exchange hindrances, legislative controls, and sponsorships to household ventures to augment British funds to the detriment of pioneer regions and other European royal forces.
