The main impact De Soto's expedition was disease.The Native Americans did not have any immunity to European diseases since they had never been in contact with them. The most detrimental of illness was the smallpox. They also were introduced to animals such as horses, war dogs, and pigs.
Answer:
Harry S. Truman wife Eleanor Roosevelt
One problem that the parliamentary systems that were set up by African nations had was that Those systems needed more time to evolve and work as intended.
<h3>Why did some African governments fail?</h3><h3 />
African nations mostly set up governments that were like the colonial governments that ruled them such as the British parliamentary system.
The problem with these system was that it needed time to work because it first had to be adapted to the unique characteristics of the nation.
Find out more on the parliamentary systems at brainly.com/question/470291.
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I think the correct answer is C
It was a National political convention held at Manns Tarven.