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:
I believe it's because<span> Mahmūd wanted to plunder the wealth India made from Silk Road trade.</span>
With respect to global connections, association with "the European Union" offers the brightest immediate future for many African countries, since this union is comprised of a variety of countries with economic ties to Africa.
<span>Get information, facts, and pictures about Isolationism at Encyclopedia.com. World War II and its immediate aftermath, when the United States for the first time actively time, one
to devise a model treaty for regulating relations with foreign nations. might be found in a return to the foreign policies of the 1920s or 1930s.</span>