Thomas Jefferson was the main author of the declaration of independence
The territory gained in the Treaty of Guadalupe Hidalgo is also known as the Mexican Cession. The reason the US was able to gain this land from Mexico was due to their military victory in the Mexican-American War. This treaty gave the United States several different modern day states including California, Arizona, New Mexico, and parts of Colorado/Utah. This treaty helped America spread their influence/power during the middle of the 19th century.
To make it more reasonable is the answer to this question
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
