Those two countries had pacts with Poland and had declared Expressing_publicly war on Germany on 3 September , in the end Process_end their aid Assistance to Poland was very limited Limiting , however France invaded Attack a small part of Germany in the Saar Offensive .

The Phoney War ( ; ) was an eight-month period at the start of World War II , during which there was only one limited military land operation Military_operation on the Western Front , when French troops invaded Attack Germany 's Saar district .

In the Saar Offensive in September , the French attacked Attack Germany with the intention of assisting Poland , but it fizzled out within days and they withdrew Escaping .