They were loosing their lands that's why we can choose a) weak leadership
Maya and Inca but Aztec could be in there too
Explanation:
The Incas performed child sacrifices during or after important events, such as the death of the Sapa Inca (emperor) or during a famine
Generally only high status prisoners of war were sacrificed, with lower status captives being used for labour. Human sacrifice among the Maya is evident from at least the Classic period (c. AD 250–900) right through to the final stages of the Spanish conquest in the 17th century.
In addition to slicing out the hearts of victims and spilling their blood on temple altars, the Aztecs likely also practiced a form of ritual cannibalism. An Atztec human sacrifice atop the Mesoamerican temple pyramid.
evaporation is when a mass of water is hit by sunlight and some of it turns to a vapor. In the atmosphere, that vapor cools and the water molecules fuse with other water molecules, forming clouds. (condensation) When the clouds become full, the water precipitates onto land or into the ocean in the form of rain, sleet, snow or hail (precipitation).
Answer:
The Sahel is the ecoclimatic and biogeographic zone of transition in Africa between the Sahara to the north and the Sudanian Savanna to the south. Having a semi-arid climate, it stretches across the south-central latitudes of Northern Africa between the Atlantic Ocean and the Red Sea. Wikipedia
Area: 1.179 million mi²
The Sahel has a tropical, hot steppe climate (Köppen climate classification BSh). The climate is typically hot, sunny, dry and somewhat windy all year long. The Sahel's climate is similar to, but less extreme than, the climate of the Sahara desert located just to the north.
Explanation: