It’s not C. I’m unsure as well, but I think the answer is B, after all, only a few countries wanted slaves for labor. The rest needed goods and supplies, etc. I hope it helped :3
Explanation:
Abraham Lincoln's assassination dramatically changed the Reconstruction era. President Abraham Lincoln, America's Civil War leader, was assassinated just five days after Confederate General Robert E. Lee surrendered his army at Appomattox Court House, ending the four-year War Between the States.
Yes, data is reliable for predicting the future because if you think about weather forecasts they use a huge chart of data to help foresee what the weather will be for the day after, the week after, and etc. This is only one of the examples for data being reliable. Especially if it's fastdata, actionable data, and so on.
