How did the McCormick reaper help the North when the Civil War?
A) It forced the South to invest more and more into slavery to keep up production
B) It proved to the border states that the North was technologically more advanced.
C) It allowed the North to keep agricultural production high even though many farmers went to fight.
D) It ensured that France would remain pro-North during the war.
E) It enabled the North to grow more corn than the South.
Question 2
Which of the following statements accurately describes railroads in the United States in 1860?
A) The United States had more track than the rest of the world combined.
B) American railroads lacked government support and therefore lagged behind the rest of the world.
C) Railroad owners faced financial difficulties because they could not compete with canals.
D) The railroads brought about the decline of the once great city of Chicago.
E) They had an international reputation for punctuality.
Resource partitioning among five species of warblers feeding in North American spruce trees.
The Asiatic lion, whose habitat once ranged from the Mediterranean to north-west Indian subcontinent
Population Losses in the South, 1920–1930
North America’s Untapped Fossil Fuels
North America and the Global Economy