Q:Information: - Pozna (known also by other historical names) is a city on the Warta river in west-central Poland, in the Greater Poland region. It is best known for its renaissance Old Town, destroyed during World War II and then rebuilt, and Ostrow Tumski Cathedral. Today, Pozna is an important cultural and business centre and one of Poland's most populous regions with many regional customs such as Jarmark witojaski, traditional Saint Martin's croissants and a local dialect. - Wrocaw (, ; ) is the largest city in western Poland. It is on the River Oder in the Silesian Lowlands of Central Europe, roughly 350 kilometres (220mi) from the Baltic Sea to the north and 40 kilometres (25mi) from the Sudeten Mountains to the south. Wrocaw is the historical capital of Silesia and Lower Silesia. Today, it is the capital of the Lower Silesian Voivodeship. At various times in history, it has been part of the Kingdom of Poland, Bohemia, Hungary, the Austrian Empire, Prussia and Germany. It became part of Poland in 1945, as a result of the border changes after the Second World War. The population of Wrocaw in 2016 was 637,075 making it the fourth-largest city in Poland and the main city of Wrocaw agglomeration. - Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges (the Sudetes and Carpathian Mountains) in the south. Bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is , making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe and the sixth most populous member of the European Union. Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Krakow, Wrocaw, Pozna, Gdask and Szczecin. - The Canon de 75 M ( montagne ) modele 1928 ( 75 mm mle.28 ) was a French mountain gun . The guns were also sold to Poland . After 1940 , these weapons were used by the Germans as 7.5 cm GebK 283 ( f ) . The French used this weapon to equip the artillery batteries of the 4th Moroccan Mountain Division during 1944 and 1945 . What is the relationship between 'canon de 75 m' and 'world war ii'?
A:
conflict