<span>Poll taxes, literacy tests, violence/terrorism, and economic intimidation (For example, telling a black sharecropper that you won't sell them seed if they vote.)
The tests were impossible to pass, regardless of color. The poll taxes were obviously an economic way to prevent blacks from voting. I'm sure there were other ways as well. I know they would also threaten violence to families, children, and the voters if they even attempted to vote.</span>
Answer:
Origins. In his 1987 analysis of the Code Noir's significance, Louis Sala-Molins claimed that its two primary objectives were to assert French sovereignty in her colonies and to secure the future of the cane sugar plantation economy. Central to these goals was control of the slave trade.
The correct answer is - Biases of interpretation.
In general, the historians are trying to avoid adding their biases of interpretation of the history. They try to focus on using as information only the sites, the artifacts, what has been written, the verbal history among the peoples, in order to give the most objective interpretation of the historical events.
Unfortunately, there's also lot of historians that do tend to use their biases of interpretation of the history, often resulting in nationalistic ideals, tensions between nations and people, and even war if they are convincing enough.
By the way the answer is d VW and XY