1940 The Mathilda I tank used by the British in the Battle of Dunkirk was unable to resist the attack of the German PzKpfw III tank because of its poor performance, and was quickly eliminated, and began to produce Mathilda II infantry tanks. Mathilda II infantry tank was developed with the code name A 12, 1939- 1945, and served in the British army.

Type B tanks were equipped with French troops from 1936 and served until 1940, which was mainly used to support infantry operations. After the First World War, France attached great importance to the support of tanks to infantry, and advocated the development of an "infantry-accompanied tank" with strong firepower and armor protection and low driving speed.

Fiat3000 Renault Company of France developed Renault FT light tank at the end of World War I, which had a great influence on the development of chariots all over the world. Countries regard FT light tanks as a reference for developing tanks.