Answer:
A. The Incas shared much of their land with the Mayas
Explanation:
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:
Communism in Russia. In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, and ended with the dissolution of the USSR in 1991.