The first christian emperor was A Constantine
Because they could know what the Europeans were planning which would give the Soviet Union an advantage
Answer:
European Plain, one of the greatest uninterrupted expanses of plain on the Earth’s surface. It sweeps from the Pyrenees Mountains on the French-Spanish border across northern Europe to the Ural Mountains in Russia. In western Europe the plain is comparatively narrow, rarely exceeding 200 miles (320 kilometres) in width, but as it stretches eastward it broadens steadily until it reaches its greatest width in western Russia, where it extends more than 2,000 miles.
One feature that helped the U.S. grow in industry was the inovation.