What is the primary purpose of this poster? SIDE BY SIDE-
BRITANNIA!
to express the importance of the alliance between
the United States and Britain
O to encourage people to join the armed forces
O to convince people to support the arts during
wartime
O to celebrate the victory at the end of the war
Britain's Day Dec.7 1918
MASS MEETING

A. to express the importance of the alliance between  the United States and Britain

Explanation:

At the end of the war, December 2 1918 was marked as Britain's Day. It was an occasion to celebrate the role Britain and America played together to achieve a successful outcome. In the poster, America (represented by Uncle Sam) and Britain (captured as Britannia, a female) are depicted to be locking hands side by side in a celebration of the co-operative alliance between the two nations.

One example of such cooperation, was prior to the time period when America joined the war, Britain borrowed heavily from Ameriacan Banks in New York city. The union between the two countries is usually referred to as the Anglo-American union.

the answer is c.

i hope this .

the right answer is d