The steam engine and steam locomotive evidently had major consequences on European society. Positive and negative effects are apparent, as these major technological breakthroughs transformed European society. Even today, many aspects of society and economics are present due to the profound impact these inventions had, which is why they are such big turning points in history.
Thomas Paine's Common Sense was intended to illustrate the absurdity of the colonies following Britain's rule. It was a persuasive argument for American independence.
I believe rice became a Chinese Staple food during the Tang dynasty because new types of rice and new growing techniques yielded bigger harvests. Hope that helped.
True, trade included the trades of spices and such which was considered a highly demanded product at the time.
