That he will buy products is food and water.
The correct answer is <span>increase political and economic influence around the world
The United States government believed that they need to spread their ideas of liberty and democracy worldwide, wherever their ideas were not found and wherever there was tyranny or colonization. By getting others to be democratic republics, they would get support from them and increase their influence.</span>
The election of 1860 is your answer. When the south got word of Lincoln’s election a few states started seceding within days. This led to the soon start of the war.
It kept critics and dissenters away from the main population by imprisoning them in remote labor camps. Usually they were executed if they showed to be too much of a threat