Question

read the excerpt from the joint statement by president roosevelt and prime minister churchill
fifth, they desire to bring about the fullest collaboration between all nations in the economic field with the object of securing, for all, improved labor standards, economic advancement and social security;
this statement is based on the assumption that
improved labor standards, economic achievement, and social security are not always possible.
most countries will want to cooperate with the us and great britain after the war ends.
churchill and roosevelt have already developed a plan for international economic improvements.
all countries will cooperate to achieve common goals with regard to the world economy.

Explanation:

The statement emphasizes "the fullest collaboration between all nations" to secure improved labor standards, economic advancement, and social security. This implies an assumption that all countries will cooperate (as stated in option D). Option A contradicts the positive aim of the statement. Option B focuses only on cooperation with the US and Britain, while the statement is about all nations. Option C is not indicated in the given text. The key is the mention of "all nations" collaborating for common economic - related goals.

Answer:

D. all countries will cooperate to achieve common goals with regard to the world economy.