<span>Black codes were restrictive laws designed to limit the freedom of African Americans and ensure their availability as a cheap labor force after slavery was abolished during the Civil War. Though the Union victory had given some 4 million slaves their freedom, the question of freed blacks’ status in the postwar South was still very much unresolved. Under black codes, many states required blacks to sign yearly labor contracts; if they refused, they risked being arrested, fined and forced into unpaid labor. Outrage over black codes helped undermine support for President Andrew Johnson and the Republican Party.</span>
Answer D
It's not answer A because its wording does not make sense. Along with that, It's not B or C because practicing new skills is only a part of why they made tools, and to learn a craft also doesn't make sense. So, it just made life easier to have tools.
D) Because South America is in the Western Hemisphere while the Mediterranean Sea is in the Eastern.
