How did the United States aquire the land exploded by Lewis and Clark

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.

True or false: abraham lincoln delayed the emancipation proclamation to make sure the border states would stay loyal. *

Which of the following is not a requirement to become a us representative (congressman/congresswoman)?