That would be called a boycott.
<span>Xiongnu , Buddhism ,Mongols ended song dynasty Trade in general silk road. Underlying these cultural and political achievements was an “economic revolution” that made Song dynasty China “by far the richest, most skilled, and most populous country on earth.” The most obvious sign of China’s prosperity was its rapid growth in population, which jumped from about 50 million or 60 million during the Tang dynasty to 120 million by 1200.</span>
Strength 1. Congress could declare war, and start an army and navy. Strength 2. They could make peace and sign treaties.
Weakness 1. They had no power to draft soldiers.
Weakness 2. They had no power to enforce treaties
Hope this helps :)
It supplied the UK, China, Soviet Union, France and other allied nations with a big amount of war material between 1941 and 1945.
