Because the white southerners have the hardest time accepting about living side-by-side with ex-slaves during reconstruction, they introduced the black codes.
<h3>What was the black codes?</h3>
During the post-slavery era, the black codes refers to those laws that denies the most legal rights to newly freed slaves which was mostly passed by southern states following the Civil War.
The black codes, as originated in the slave codes defined the slaves as property and were set of laws enacted in the former Confederate states that restricted the freedom of former slaves and were designed to assure white supremacy.
Therefore, the Option A is correct.
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The correct answers are:
A. Society became more open, and women experienced greater freedom.
D. Women began to seek out new careers.
E. Women challenged old traditions by doing things such as changing their clothing style.
The statements above are how women’s roles in countries such as the United States and Britain changed after World War I.

Answer:
Hi again lol the answer is "B. an agreement to work together"
From my understanding of the Rwandan genocide, the Tutsis once held power in Rwanda for many years leaving Hutus as the minority. So I would have to say the answer is A