5. what was d-day? why was it important? (190) -

On D-Day, 6 June 1944, Allied forces launched a combined naval, air and land assault on Nazi-occupied France.

Explanation:

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .