Answer: preserving freedom far into the future.
making tough sacrifices for one's nation.
Step-by-step explanation: In Roosevelt's excerpt, he stresses the importance of human rights and the unity of purpose among the American people in achieving victory. He also speaks of faith in freedom under the guidance of God and support for those who struggle to gain or keep those rights. All of this suggests a focus on preserving freedom for the future.
In Lincoln's excerpt, he speaks of the sacrifices made by the honored dead and the great task remaining before us, and resolves that the nation shall not perish from the earth. This suggests a willingness to make tough sacrifices for the sake of the nation, and a focus on preserving the nation and its ideals for the future.