How did the french contribute to the american victory at yorktown

The segments shown below could form a triangle.

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.

In 1819, what did the united states obtain from spain for $5 million?