Diseases introduced by white settlers.
The main reason for the wipe-out of Native Americans was the threat of the diseases introduced by White Europeans. This ended up killing many Native Americans across different tribes, as they had no immunity to these diseases and had never dealt with these kinds of illnesses before. This was a rampant problem and attained the Native Americans quickly after the European settlers arrived.
The Border Ruffians contribute to the "Bleeding Kansas" problem "as they forced local residents to vote for pro slavery candidates".
Answer: Option B
<u>Explanation:
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The Border Ruffians were Missouri slave-state pro-slavery demonstrators. They crossed the state border from the period 1854 -1860 to Kansas Territory as to compel slavery to be recognized there. Armed Ruffians intervened with territorial elections and hitted settlements in the Free State. The term "Bleeding Kansas" originated from this violence.
Bands of armed Ruffians occupied polling places when elections were held in Kansas Territory. They prohibited people from voting for Free-State, so they cast illegal votes. Border Ruffians voted a territorial delegate pro-slavery to Congress on 29 November 1854.
When things go in a pattern
