Answer:
“When We Worked on Shares, We Couldn't Make Nothing”: Henry Blake Talks About Sharecropping after the Civil War. ... By 1870, sharecropping was the dominant means by which African Americans could gain access to land in the South.
Explanation: I hope this helps, if not friend I tried :)
The second sentence sounds correct...
Answer:
A. African slavery
Explanation:
Although we know that slavery was an important part of British Empire it was not a part of their system after 1830s. To be precise in 1833, British Empire prohibited slave trade inside their domain. This was in important change, that rearranged the position of the whole Empire.