They found fertile soil, which they used to grow a variety of crops.
They found the soil unusable, and they had to rely on fishing and hunting for food.
They discovered sandy soil, which they had to convert to grassland in order to grow crops.
They shared their knowledge of crop rotation with Native Americans in order to establish trade.
When a terrorist group seeks independence from a country
The map shows the Mexican Cession, this is, the U.S. purchase of territories from Mexico to the West as agreed in the Treaty of Guadalupe-Hidalgo, in 1848, the year after the end of the Mexican-American War of 1846 -1847. An additional territory called La Mesilla (south of Arizona and New Mexico) was purchased in 1853.
