The United States of America.
Probably China. It's army has millions of soldiers, only counting the infantry/ foot soldiers.
Russia and China both border 14 countries, the most of any.
China and Russia both border 14 countries, the most of any. China: Vietnam, Laos, Myanmar, Russia, North Korea, India, Bhutan, Nepal, Pakistan, Tajikistan, Krygystan, and Kazakhstan. Russia: China,...
Both China and Russia border 14 countries, the most of any.