Material 1: Slavery is based on the selfishness of human nature, which is contrary to the humanity that loves justice.

-Lincoln's speech at 1854.

Material 2: Never advocate compromise on the expansion of slavery. As soon as you compromise, they will climb on our heads again, and all our efforts will be in vain. Sooner or later, we will have to start all over again. ..... I think that the provisions of the Constitution on fugitive slaves must be implemented in the gentlest way and cannot be resisted.

From 1860 65438+ Lincoln's reply to William Carroll in February.

Material 3: My highest goal in this struggle is to save the Union, not to preserve or destroy slavery. ..... If I can save the Union without liberating any slaves, I am willing to do so; such as

If it is necessary to liberate all slaves in order to save the union, I am willing to do so; If it is necessary to liberate some slaves and keep others in order to save the Union, I am willing to do so.

From Lincoln's letter to Horace grilli in August 1862.

Material 4: October 65438+65438 in 0863+1, ... People who are slaves for human possession should be free forever at that time ... Any department in the United States, including the Lu Haijun authorities, will recognize and guarantee the freedom of the above-mentioned people.

-Lincoln's Emancipation Proclamation in September 1862

Please answer:

(1) points out Lincoln's basic attitude towards slavery from the material 1.

(2) Comparing material 1 with material 2, what specific issues does Lincoln have different attitudes? What is the principle he follows?

(3) What were Lincoln's basic principles in the Civil War? What does this principle have to do with the emancipation of slaves?

(4) According to the knowledge learned, simply evaluate the problems reflected in Material 4.

answer

(1) Lincoln opposed slavery.

(2) The attitude of restricting the development of slavery is firm; I hope to abolish slavery in a democratic and moderate way. He follows the principle of using law as a weapon.

(3) Taking safeguarding national unity as the highest goal, slave liberation is subordinate to safeguarding national unity.

(4) The Lincoln Administration issued the Emancipation Proclamation, the purpose of which was to arouse the enthusiasm of the slaves and ensure the victory of the North. The abolition of black slavery cleared the way for the further development of American capitalism and laid the foundation for the United States to become the number one industrial power.