Answer:1859 or 600 B.C
Explanation: The first oil had actually been discovered by the Chinese in 600 B.C. and transported in pipelines made from bamboo. However, Colonel Drake's heralded discovery of oil in Pennsylvania in 1859 and the Spindletop discovery in Texas in 1901 set the stage for the new oil economy.
Answer:mexicans already inhabited the land, but the US wanted to own it
Explanation:
The Mongolian pastoral nomads relied on their animals for survival and moved their habitat several times a year in search of water and grass for their herds. Their lifestyle was precarious, as their constant migrations prevented them from transporting reserves of food or other necessities.
There u go!!!