England passed the navigation act to

The purpose of these laws was to ensure that only England benefited from colonial trade. The Navigation Acts were a series of laws that restricted the use of foreign ships for trade between Britain and its colonies, occurring from 1651 to about 1851.

Regulate colonial trade and manufacturing

Explanation:

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.