What are some amendments that have become part of the Constitution since 1791?

the two colonies had the earliest laws mandating religious tolerance.

porter is writing economic history because he is focusing on the cost of developing vaccines.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

an early twentieth-century ad for model home blueprints