Henry Cabot Lodge and Alfred Beveridge strongly denounced the treaty, especially Article Ten which called upon the US to support League actions. ... In March 1920 the US Senate finally killed the treaty. The United States did not ratify the Treaty of Versailles and we did not join the League of Nations.
They fought for better wages reasonable hours and safer working conditions.
Answer:
it was also harmful because the need for people and the type of machinery use required
Kublai Khan was one of China's greatest emperors. He achieved the unification of that country by annihilating the national Song empire (1279). Contrary to former custom, he treated the deposed imperial family well and forbade his generals from resorting to indiscriminate slaughter.
Fights - death - (was this part of the trading route ??)