I believe the answers are
1. A
2. C
3. A
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.
<span>In the feudal system of the Medieval age, a Serf was a person who was bound to the land of his Lord. A Serf was required to service the Lord as requested. Typically, the peasant Serf would perform manual farm labor on the land and then any other duties requested by his Lord, in exchange for using part of the Lord's land to generate their own food.</span>
I think it’s The first one!!