What is the main idea presented in this passage? Ancestral Puebloans lived in the cliff dwellings (of Mesa Verde] for less than 100 years. By about... 1300, Mesa Verde was deserted. Several theories offer reasons for their migration. We know that the last quarter of the ... 1200s saw drought and crop failures, but these people had survived earlier droughts. Maybe after hundreds of years of (overuse), the land and its resources-soils, forests, and animals-were (used up). Perhaps there were social and political problems, and the people simply looked for new opportunities elsewhere.​

Make a chart comparing the requirements for the georgia house to the georgia senate. which one is more stringent? justify your answer in one paragraph.

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches