The answer to this question is tension
Pro slavery advocates believed slave owners had a right to transport slaves into the territories; antislavery advocates argued that this gave slave holding settlers an unfair advantage over non-slave holding settlers.
Pro slavery advocates argued that the slave status of Kansas should be determined by popular vote; antislavery advocates argued that Kansas should be free because of its location north of the 36° 30' parallel.
Pro slavery advocates contended that free African Americans in Kansas should not be permitted rights under the state constitution; antislavery advocates argued that the federal constitution took precedence over Kansas’s state constitution.
Pro slavery advocates held that slavery in the state was legal, as established in the Missouri Compromise of 1820; antislavery advocates argued that this legislation was invalidated by the Supreme Court’s ruling on the Dred Scott case.
The answer is the first one, A
Answer:
A. used the attack to justify taking aggressive action against Serbia
Explanation:
Austria-Hungary sent them an ultimatum to Serbia, and Serbia agreed to most of it but the only part it didn't agree to was that Austria-Hungary was able to do an investigation of who did the assassination in which Serbia refused for Austria-Hungary to investigate. This then went to the German's in which they backed Austria-Hungary for being an ally in the war which then led to the out-break of world war 1.
