<em>The option that would not have improved civil rights and race relations at the turn of the century is a lynching.</em>
Lynching is a horrendous practice where people kill others by their own means. Racist groups like the Ku Klux Kan organized public executions where they lynched African Americans. These kinds of incidents were common in the Southern States during the Reconstruction Era, after the Civil War. By no means, lynching has improved civil rights and race relations at the turn of the century.
Conflict with Mexico began when the United States annexed Texas as a state in 1845. Mexico claimed that the new border between Texas and Mexico was the Nueces River, while the United States contested the border was the Rio Grande.
