Answer :

d. Resulted in the assault of a southern Senator about the political consequences of the Kansas Nebraska act is not true.

The territories of Kansas and Nebraska were established by the Kansas-Nebraska Legislation of 1854 (10 Stat. 277), which was a territorial organic act. Senator Stephen A. Douglas, a Democrat, wrote it; the 33rd Congress approved it; and President Franklin Pierce signed it into law.

The Kansas-Nebraska Act was first proposed by Douglas with the intention of facilitating the development of new lands for the construction of a transcontinental railroad.

However, it is best known for effectively repealing the Missouri Compromise, escalating racial tensions regarding slavery, and fueling a string of wars known as "Bleeding Kansas."

With the Louisiana Purchase in 1803 the United States gained enormous amounts of land, and since the 1840s Douglas had attempted to establish a territorial government in a section of the Louisiana Purchase that was still unorganized. 

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Correct question:

All of the following are true about the political consequences of the Kansas-Nebraska Act EXCEPT

a. Motivated the creation of the Republican Party

b. Energized a new generation of politicians, including Abraham Lincoln

c. Led to a miniature war in Kansas

d. Resulted in the assault of a southern Senator