Answer:
The government was saying that Chinese immigrants would make the US unsafe.
The main way in which the railroads contributed to the end of the large buffalo herds was that "The railroad tracks were obstacles that the buffalo would not cross". It sounds silly, but the buffalo actually refused to cross the tracks for reasons that are still misunderstood.<span />
They had very little supplies and financial backing for the war.
In 1668 AD newton invented telescope
