By Burning Books? I'm sorry I had to look up your question. If I am wrong, I'm truly sorry.
Answer:
because they followed the failure of an effort of the Oglala Sioux Civil Rights Organization (OSCRO)
Explanation:
Pro-slavery and anti-slavery settlers rushed to Kansas, each side hoping to determine the results of the first election held after the law went into effect. ... Opponents of the Kansas-Nebraska Act helped found the Republican Party, which opposed the spread of slavery into the territories.
Answer:
Explanation:
Well, Oregon was acquired in 1856 while Florida was acquired in 1819
I don't consider this as "around the same time".