B. A reduction in imports and a rise in exports
Industrialization quickly changed the landscape of the United States and other countries in the 19th century. Construction materials, like steel and iron were needed for buildings, factories, and railroads. Oil was discovered to be a great source of fuel. The Spindletop Geyser in Beaumont, Texas was discovered in 1901, and over 1000 oil companies were chartered. 8 years later, the U.S.'s oil production was more than the rest of the world's oil production combined.
Answer:
A. Prevent another world war.
Cortez is the leader of the Aztecs and Pizzaro is the leader of a Spanish Conquistador who led an expedition that conquered the Inca Empire.
