Answer:
Dendrochronologists study tree rings to learn about past climates. Trees in temperate areas form one growth ring per year. Scientists can look at the rings and identify climate conditions during each year of the tree’s life. Scientists found long droughts in both the twelfth and thirteenth centuries. This is the same period when the Anasazi were leaving Chaco Canyon. Under normal conditions it was hard to support their villages in the harsh environment of northern New Mexico. When years of drought occurred, the densely populated Anasazi pueblos could no longer raise enough food. Other forces could have pushed the Anasazi away from Chaco as well.
Explanation:
Answer:
Latin America and Asia
so the Last choice.
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Answer:
king odoacer
he deposed the last emperor of the romance empire in italy
The answer is james monroe
<span>-The Maya established city-states, united by a common culture but not unified by a common political or military system.
-Their achievements were artistic, agricultural, and architectural.
-The Toltecs were less influential culturally, but more influential in the areas of politics and the military.
-They were more politically homogeneous, were under centralized rule, and expanded their control through military conquest.</span>
