How did the events pictured on the map aid in westward expansion? Provided mountain-free land for railroad construction
Opened up new travel routes through Texas
Increased protection on the Texas/Mexico border
Created new canals for shipping routes

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.