The answer is. <span>Breakup of multi-ethnic nations
Nationalism refers to the sense of pride and superiority of our own home nations compared to others.
In multi-ethnic nations, this type of perspective is really destructive because we put our own ethnic on a baseless pedestal that would only ignite insult and conflict with other ethnicities.</span>
Sherman Antitrust Act of 1890 was the first major piece of legislation against monopolies. The goal was to keep things competitive. They were trying to keep prices from rising due to a company or group of companies purposely withholding stock or goods to create an artificially high demand for a product and causing the price to rise.
The correct answer to this is Natural Resources. <span>In the mid to late 19th century, natural resources were heavily exploited, especially in the West. Land speculators and developers took over large tracts of forests and grazing land. Acreage important to waterpower was seized by private concerns.
Hope this helps :)</span>