Please help me with 1,2,3,4,5,6,7,8,9,10,11 please I really need help

Which statements correctly identify a condition that must exist for a culture to be considered a civilization

In 1637, colonists killed between 500 and 600 american indians in connecticut

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.