Why is the introduction of smallpox such a controversial topic

Ineed a summary over the 6th amendment

Which statement describes an important outcome of the congress of vienna? a. napoleon launched his final european military campaigns. b. european states had their borders clearly defined. c. jewish people were given equal right in germanic states d. the slave trade became increasingly important to european economies.

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?