Mexican officials refused to even see, let alone , sell california and new mexico to president polk true or false

Can someone me with this ! i only have 20 minutes to finish it. i will rate you the brainliest and 5 stars.. asap (98 points)

Due to the red scare, immigrants from these two regions of europe's were strongly opposed by many americans

Which of the following groups used terrorism in the united states to express their belief in their own racial superiority? a. the ku klux klan b. al-qaeda c. the palestine liberation organization d. the sons of liberty