The period saw major technological advances, including the adoption of gunpowder, the invention<span> of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, </span>medieval<span> castles), and agriculture in general (three-field crop rotation).</span>
Answer: Congress chartered the Northern Pacific Railway Company on July 2, 1864 with the goals of connecting the Great Lakes with Puget Sound on the Pacific, opening vast new lands for farming, ranching, lumbering and mining, and linking Washington and Oregon to the rest of the country.
-Fatma A.
I think B or c.
tho not sure but A and B are eliminated
