Answer:
Tried my best. Hope this helps! Please spell check, mine is being buggy today.
Explanation:
The parts of the stories that could be considered fountational myth is the fact that race was a word before whites and blacks met. It was a word with meant a competitive sport in which to people try to win over the other. It was added to with a secound definition after they noticed different ethnicities. Secoundly, it doesn't really explain what the need for the thrid to last sentence was. If it had gone into further clarity, maybe it would've tied in, but as it is it just doesn't make any sense. Lastly, it doesn't explain what whites were before the term race was invented. It comments about it, but that's as far as it goes.
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 environmental legislation signed by President Bush in 1990 set stricter standards on pollution from factories. This was done to prevent the negative results of pollution, since everything concerning that was getting worse and worse.