I’m pretty sure the answer is A
Berlín conference of 1884 - 85 ( Congo Conference ) regulated European colonization for trade in Africa during the New Imperialism period
C. Alcohol consumption grew during the Great Depression. Hope that helps!
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:
Marx and Engels begin The Communist Manifesto with "A spectre is haunting Europe" because they wanted to warn the bourgeoisie and the elite class that their movement is strong and it is not going to stop until Europe is classless. Literary effect: the movement is mainstream. Political effect: the movement is powerful.