Organizations that have no physical ("brick and mortar") presence, but only exist because of communication and computer technology are known as .

Virtual Organisations

Explanation: Virtual Organisations are Organisations that do not have any physical presence (brick and mortar). They exist in Internet platforms, social media and are known through the use telecommunications systems and facilities. This type of organisations continously conduct their businesses and liaise with their customers only through virtual Communication platforms like the computer Communication systems.

answer; i believe that the correct answer is u.s///british,and canadian forces; /// normandy invasion also called operation overlord; plz check first