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:
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The 1877 Commitment promoted political action that was not concerned with the slave situation, but with party disputes between Democrats and Republicans. The action of withdrawing federal troops from the south was not intended to provide a relief of tension in the relationship between slaves and their self-proclaimed owners, but rather aimed at securing the political hegemony of the Republicans, leaving the slaves at bay.
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Answer and Explanation:
The internet is useful today because positive use of the Internet makes our lives easy and simple. The Internet provides us useful data, information, and knowledge for personal, social, and economic development.
Answer:
The Industrial Revolution hit the Russian Empire later than most other European and Western nations. The emancipation of the serfs in 1861 aided Russia in its transition from a predominantly agricultural society to a more industrialized society. The newly feed commoners looked toward the cities for jobs.
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Answer:
Slaveholders became more insistent that maintaining the slave system was essential to protecting the South and its way of life.
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