Answer:
A very obvious effect of the emancipation proclamation would be the freeing of African Americans forced to live under slavery. Another effect would be the increasing tension between the North and the South at the time which would eventually lead to the start of the Civil War.
Answer:
I honestly agree with the first person response. They did a great good explaining things.
True, because he was the one that created the printing press in 1440.The printing press also brought down the price of printed materials and made such materials available for the masses.
I don't know who De Vaca is but by context clues I would infer that he realized that Native Americans where not the savages they where thought to be.