Answer:
A new birth of freedom
Explanation:
If we are thinking about <em>slavery,</em> a <em>new birth</em> of <em>freedom</em> would signify the end of slavery.
The others would not make sense, as they are referring to time and various aspects of the physical fighting of the war.
Free trade agreements
The goal of both NAFTA and the EU is to create free trade between the countries of their given continent.
Free trade means no tariffs on imported goods and the ability of corporations to move their products from country to country with no penalty. For NAFTA, Canada, the US, and Mexico can freely trade across the borders and tariffs will not be imposed under the treaty.
Russia taking control of Eastern European countries.
The main way in which the organization of the US government reflect the ideas of Enlightenment philosopher Baron de Montesquieu is that it operates solely on the principle of popular sovereignty--meaning that people elect other people to make choices for them. The state serves them, not the other way around.