Who was hannibal and what were his accomplishments?

After the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant

Why did some states believe they had the power to overturn federal laws?

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.