The correct answer is that the Treaty of Torcdesilias divided the land outside of Europe between Spain and Portugal. The effect of this is that much of the New World was, by Treaty, Spain's land.
The Union victory did solve a handful of problems, it abolished slavery and get rid of the Confederate Union but not every problem could be solved. Personally I would disagree because the Civil War had other problems right after because of the victory.
Answer:
After rejecting the Reconstruction plan of President Andrew Johnson, the Republican Congress enacted laws and Constitutional amendments that empowered the federal government to enforce the principle of equal rights, and gave black Southerners the right to vote and hold office.
Sputnik - Soviet Union
Vanguard and Explore - United States
I think the answer would be A I just had it and got it right