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 />
The answer is a. Trade with other Asian nations
was a large reason for industrialization in Japan. Japan was now
entering a phase of modernization. It
was now making a shift to trade with other countries to boost its economy.
Looking back at history let's you see what didn't work and what will come in the future. Let's say I am looking for a way to stop viruses on computers, I would look back and see where viruses attacked, what their intent was and fixed vulnerabilities that have not been fixed.
The answer is A hope it helps