Which of the following is the one part of the U. S consititution that can never be amended

Lee's campaign to invade maryland was stopped after his defeat at the battle of: a. seven pines b. williamsburg c. antietam d. none of these

What from the columbian exchange had perhaps the biggest impact on the world?

How many senators are there from each state? a. two c. one b. three d. the number depends on the state’s population