Who sent Lewis and Clark and the Corps of Discovery on a cross-country expedition? O Thomas Jefferson
O Napoleon
O Sacagawea
James Madison
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The approval of is the states was needed to ratify the constitution

How was classical persia's extensive network of roads important to its civilization?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.