Henry ford used the idea of assembly line.
The Mexican-American War opened up the American Southwest and California to settlers. Prior to the mid-18th century war, Mexican territory encompassed what is now Arizona, New Mexico, and a bulk of California. However, following the Mexican surrender, the US laid claim to most of that land thereby opening the regions up to American settlers moving west.
Answer:
Also referred to as a congressman or congresswoman, each representative is elected to a two-year term serving the people of a specific congressional district. Among other duties, representatives introduce bills and resolutions, offer amendments and serve on committees.
Explanation:
because people were pushing for equality and you need solders who else are you going to turn to?