Which of the following is an example of Aztec achievements in astronomy? A. The development of the concept of zero.
B. The use of chinampas for agriculture.
C. The development of a writing system.
D. The creation of a 365 day calendar.

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.

What was the first major route to connect europe and asia

The first settlement created by the pilgrims in 1620, came for religious freedom. i'm failing history