Answer:
It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union's available manpower.
So I'm guessing D or B.
B) Dred Scott
Hopefully this helped you out
Answer:
the Native Americans attack's and injury and disease
Explanation:
those were the obstacles they experienced.
of course it does many things in history caused how we are now, such as ww1 without it there would be no ww2 or no cold war ww1 was a big turning point in history cause it set out the rest of the 20th century
The period saw major technological advances, including the adoption of gunpowder, the invention of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, medieval castles), and agriculture in general (three-field crop rotation)