Why was social darwinism important to the new imperialism?

Why was the battle of gaugamela an important turning point in alexanders conquest of persians empire

What are two effects of the lack of representation of the third estate in the estates-general? two answers

Which is the main inference that can be drawn from adam smith's book the wealth of nations? a) for an economy to work flawlessly, it shouldn't have to serve and moral goals.b) the government must control a free-market economy, or economic problems will arise.c) a free-market economy works well only without the government's interference. d) free trade will only hurt economies and should be stopped by governments.