Access to food, water, shelter, and all basic human needs can hinder or help the growth of a civilization. Civilizations with similar environments or climates tend to develop on similar paths (because they run into the same problems/conveniences that have to be solved by human brains, which are wired to react to certain situations in certain ways.)
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:
To learn the importance of the past and how it affects the future.
Answer:
Architecture
Explanation:
The Roman empire was one of the greatest empires in the world that ruled many regions and spread its dominance. The Roman empire in its period spread across the Atlantic Ocean and Mediterranean. The Romans exhibited many new methods for buildings and construction, including roads, arches, concrete and aqueducts for miles before they reached the point and delivered fresh water.
Aid to Viet Cong.
We were fighting against the Viet Cong, not aiding them.
