What was significant about britain and france declaring war on germany ?

On September 3, 1939, in response to Hitler's invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany.As for Britain's response, it was initially no more than the dropping of anti-Nazi propaganda leaflets 13 tons of them—over Germany.

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.

the answer to your question is,

old stone age.

-mabel < 3