The countries and territories in purple on the map have net average monthly salary purple â in excess of â¬4,000, blue â in the range of â¬1,500 â â¬3,999, orange â â¬500 to â¬1,499, in red â below â¬500.
The main weakness of the Panther tank was its much thinner (40-50 mm thick) side armour. The thinner side armour was necessary to keep the tank's overall weight within reasonable bounds, but it made the Panther vulnerable to attacks from the side by most Allied and Soviet tank and anti-tank guns.
Two experimental tanks built at Rock Island Arsenal in 1934 had a tremendous influence on the development of U.S. Army tanks used in World War II. One was the T2E1 Light Tank, the other the practically identical T5 Combat Car.