Not all county officials are elected.
Stephen Douglas's theory of popular sovereignty explains that people that live in a territory should choose whether to allow slavery or not. But Douglas's theory of popular sovereignty led to <span>corrupted elections, violence, and political chaos. Hope this answers your question. Have a great day!</span>
Answer:
A positive effect of the Columbia exchange was the introduction of new word crops, such as potato’s and corn, to the old world. A significant negative effect was the enslavement of African populations and the exchange of diseases between the old and new worlds
Explanation:
It caused them to be put out of work due to lower production.