Any kind of transportation using fuel will cause polution. Less Fuel = Less Polution
Asian Americans faced discrimination no matter if they were Chinese, Korean, Japanese, Mongolian, etc. Discrimination towards immigrants had applied with the American superiority complex that started all the way back from Manifest Destiny. This discrimination was also due to World War II propaganda of Anti-Japanese sentiments which then over casted on Asians in general.
The scientific revolution occurred in the mid-1500s and represented a new way of thinking. During the Renaissance, there was an increased exploration of the world outside Europe, leading to the discovery of Africa, Asia and the Americas. These explorations expanded the European's understanding of religion and culture. Alongside the exploration, the creation of the printing press, the development of astronomy and mathematics were of great impact for the society.
Mankind's need to look closely into these new regions, to develop new tools, instruments and techniques to better explore and understand the world around them lead to the development, spread and great impact of the scientific revolution.
They had just started the french revolution and the king and queen were neglecting their people and spending all the tax money on throwing parties and buying clothes plus they had just helped finance the american revolution instead of helping their own people