France and Britain fought for control of the eastern part of north America.
Britain and France
France and Britain were on the same side.
If you are asking about World War II, Britain and France had a defence agreement with Poland which stated that if Poland was attacked, Britain and France would come to its aid. On September 1st 1939, German troops invaded Poland. Britain and France demanded that Germany should immediately withdraw its troops from Poland. The German government ignored the demand so on September 3rd 1939, Britain and France simultaneously declared war on Germany.
Britain and France were not involved in the American Civil War. The Confederacy asked for Britain's help but they did not get involved.
Britain and France declared war on Germany on 3 September 1939
France and Great Britain promised Poland that if Germany was ever to invade the poles, they would be on Poland's side of the war that would certainly come.
Great Britain and France declared war on Germany in 1939, because germany had invaded land that Great britain had to protect for france.
Great Britain and France declared war on Germany in 1939, because germany had invaded land that Great britain had to protect for france.
Britain and France joined the war, becaus Germany invaded Poland. The reason for this is that Britain and France had a pact with Poland, Denmark and Belgium.
Great Britain and France declared war on Germany in 1939, because germany had invaded land that Great britain had to protect for france.
France and Britain declared war on Germany.